Region!50!0.97. Through Lesson 54 Name Practice Quiz. Name Problems from Optional Sections. Problems from Lesson 47: *Extended Percent Problems

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1 Free Pre-Algebr Prct Quiz Through Less 54 pge 3 Through Less 54 Nme Prct Quiz Nme Problems Optil Sectis Problems Less 47: *Extended Problems 2. () Dt pots Nvy 2. () Dt pots Nvy th The blnk columns tble re compriss over different different time periods. Internnul wter Internnul chnges wterchnges brscompres residuls 2qulity qulity For brs residuls durg dt. (c,ices d) S exmple, durg time period (93 97) to tht time period 1 (58 76). The first column, lbeled, compres with difference, secd column compres with rtio Mr) fll se t cce (tht Mr) fll se summ is, with percent). ptterns men wter Mr) fll t ptterns men wter Mr) fll t2. mimum Quntities 2f F t mimum Quntities () Dt pots relese dt re 2. () Dt pots 2. () Dt Nvy pots Nvy Nvy dt relese re (irregulr dt polyg). rerelese (irregulr 2. () Dt pots Nvy dt relese re (irregulr polyg Internnul chnges wter cmp IC with Internnul chnges Internnul wter chnges wter cmpigns. Blue Internnul chnges wter cmpigns. B with brs residuls qulity dt. (c, d) Sptil ptterns i brs residuls brs residuls qulity dt. qulity d)sptil (c,d)sptil ptterns thicknes brs residuls qulity (c, dt. ptterns (c,dt. d) Sptil ptterns wter wi Sce for 2 t gp is m it ws m, = tht ismimum entry you Mr) fll se t mimum Mr) fll Mr) fll se t mimum t 2000). mimum (f, g)see Sptil 2000). (f Mr) fll se se t 2000). (f, g) Sp under ptterns. The difference divided origl mount gives percent crese or decrese, so here we see ptterns men wter Mr) fll 200 men wter ptterns men wter fllmr) Mr) fll fll (h) se (h) (h) Me ptterns menmr) wter se t mimum Quntities re men 0.5 or bout 50% decrese. Tble t Ses Regio t mimum Quntities re men strd devi t mimum t mimum Quntities Quntities re men strd deviti men strd Tble tht / = t Ses re O with with with with 1997, , Fill columns below.the tble is reproduced lrger versi for your cvenience. Tble t Submre Submre Ocen Tble t t Ses Ocen Submr Tble Tble Ses t Ses Ses Ocen Ocen 1958 Submre 1976, 1997, , , 1997, Chnge Chnge Chnge (3 3, 2,3, 3, 1, 2, 1, 1, 3, 2, 1, 2, Pe Cp Cp Cp Cp Beufort Se 0.00 Beufort Beufort Se Se Beufort Se Cnd Bs Cnd Bs Cnd Bs Cnd Bs Pole 0.38 Pole Pole Pole Nnsen Bs Nnsen Bs Nnsen Bs Nnsen Bs Estern Estern Estern Estern All All All All is chnges re is chnges re is chnges is re chnges re 1, Chnge 3, 2, 1, 3, 2, Th Cp Se Beufort Bs Cnd Pole Bs Nnsen Estern All 43 is is chnges re re percen chnges Cp Beufort Se Cnd Bs Pole Nnsen Bs Estern All

2 Free Pre-Algebr Prct Quiz Through Less 54 pge 4 Problems Less 48: *Optil Topics 15. If you hve ten crds, numbered 1 through 10, you pick e t rom,. wht is probbility tht it is n even number? 16. An item with wholesle pr $4.80 is sold for $ Fd mrkup mrg. b. wht is probbility tht it is number 5? 17. Use pie chrt to nswer questis. The Origs English Lnguge Words. Wht percent English words come Lt or Greek? b. Do more English words come Germnic lnguges or French? c. The Secd Editi 20-volume Oxford English Dictiry cts full entries for 171,476 words current use, Bsed pie chrt, how mny those words do you expect were derived proper nmes?

3 Free Pre-Algebr Prct Quiz Through Less 54 pge 5 Problems Less 53: *Introducti to Coordte Grphg 54: Grphg Simple Equtis 18. Plot lbel pots (4,0) (6, 5). Lbel pots given grph with ir coordtes. 19. Grph le y = x + x y

4 Free Pre-Algebr Prct Quiz Through Less 54 pge 3 Through Less 54 Prct Quiz Answers Problems Optil Sectis Problems Less 47: *Extended Problems om Nvy dt relese re (irregulr po s 2. () Nvy Dt pots 2. () Dt pots Nvy dt Nvy relese re (irregul R er cmpig wter Internnul chnges Internnul wter chnges wter cmp R The blnk columns tble re compriss over different different time periods. he qulity dt.dt. (c, d) ptterns n brs residuls qulity brs residuls (c, Sptil d) qulity Sptil ptterns qulity dt. (c,thickne ICES d) Sp ) se t mimum 2000). (f, g)( For exmple, durg time 97) tomimum tht durg time period 1 Mr) fll Mr) se compres fll tperiod 2 (93se se 2000). t ccen summe (58 76). The first column, lbeled, compres with difference, secd column compres with rtio ptterns Mr)Mr) fll (h) Feb men fll ptterns wter men Mr) wter fll Mr) fll (h) M IC th (tht is, with percent). mum Quntities t mimum re men strd imum t Quntities mimum Quntities re men Quntities st Fid () Dt pots relese polyg). dt rep 2. () Dt ()pots Dt 2. Nvy pots Nvy Nvy dt re relese dt (irregulr rerelese (irregulr 2. pots () 2. Dt Nvy relese dt re (irregulr polyg A. Internnul chnges wter cmpigns. ICES with with Internnul chnges Internnul wter chnges wter Blue cmpig Internnul chnges wter cmpigns. Blu brs qulity (c,ptterns d) Sptil ptterns brs brs residuls residuls residuls qulity qulity dt. (c, d) Sptil ptterns (c, d)dt. Sptil wter residuls brs qulity dt. (c,dt. d) Sptil ptterns wte Mr) fll se t mimum Mr) fll Mr) fll se se t mimum t 2000). mimum (f, 2000). g) Sptil 2000). (f, g) Mr) fll se t mimum (f, g) Spti Sce ptterns for 2 t m it Mr) ws m, = tht is entry you see ptterns ismen wter ptterns men wter ptterns men Mr)gp wter fll Mr) fll (h) se (h) men wter Mr) fll fll (h) 2008) se ic t mimum men strd restrd men under. The difference divided origl mount gives percent crese decrese, so here were see t mimum or re men strd devitio t mimum t mimum Quntities Quntities Quntities Quntities re men deviti d decrese. with tht / = 0.5 or bout 50% with with with etble Ses Submre 195 t Ses Tble t t Ses Ocen Ocen Ses Submre Oc s uisitis 1997, , Tble t Ses Ocen Tble Ses for Ocen Submre Submre FillTble columns. The tble is reproduced lrger versi your cvenience. below Tble t t t Ses Ses Ocen Submre Ocen Submre , 195C Chnge Chnge Chnge Chnge Chnge Chnge (1 (( ( riod 2, 3, 2, 3, 1,1, 2, 2,3, 3, 1, 2,3, 3, 2, 3, 1,2, 1, 3,1, 2, Perce Cp Thicknes Thic Cp Cp Cp Beufort Se Se 0 Beufort Se Beufort Beufort Se CpCnd Cp Cnd Bs Cnd Bs Bs Cnd Bs Pole Pole Pole Pole Beufort SeNnsen Beufort Se Nnsen Bs Nnsen Bs Nnsen Bs Bs Estern Estern Estern Estern Cnd BsAll Cnd Bs All All All is chnges re is chnges re Pole Pole is ischnges rechnges re Nnsen Bs Nnsen Bs Estern Estern All All , , 1997, 1997, nters, chnges is re is chnges chnges re re chnges re

5 Free Pre-Algebr Prct Quiz Through Less 54 pge 4 Problems Less 48: *Optil Topics 15. If you hve ten crds, numbered 1 through 10, you pick e t rom,. wht is probbility tht it is n even number? 5 numbers re even, so you hve 5/10 = 0.5 = 50% probbility drwg n even number. b. wht is probbility tht it is number 5? There is ly e 5, so probbility is 1/10 = 0.1 = 10%. 16. An item with wholesle pr $4.80 is sold for $ Fd mrkup mrg. Difference prs is = $ Mrkup is difference/wholesle 17 / 4.8 = The mrkup is bout 244% Mrg is difference/retil 17 / 16.5 = 909 Mrg is bout 71% 17. Use pie chrt to nswer questis. The Origs English Lnguge Words. Wht percent English words come Lt or Greek? 29% Lt + 6% Greek = 35% b. Do more English words come Germnic lnguges or French? 29% French is more thn 26% Germnic Lnguges. c. The Secd Editi 20-volume Oxford English Dictiry cts full entries for 171,476 words current use, Bsed pie chrt, how mny those words do you expect were derived proper nmes? 4% 171,476 is ,476 = We expect bout 6,859 words were derived proper nmes.

6 Free Pre-Algebr Prct Quiz Through Less 54 pge 5 Problems Less 53: *Introducti to Coordte Grphg 54: Grphg Simple Equtis 18. Plot lbel pots (4,0) (6, 5). Lbel pots given grph with ir coordtes. 19. Grph le y = x + x y