IA6.1-6.3Sol - MaTh 64 Name: J'. Frewing Date; __________...

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Unformatted text preview: MaTh 64 Name: J'. Frewing Date; __________ Score: / 12 Ratios, Rates & Proportions Section 6.1-6.3 1. WriTe each raTio in fracTional form and simplify: a. 20 dollars : 5 dollars b. 2.8 years 1 .7 years QOclollarj ,‘ » r5 Q ale la r5 r—hjm q 0 - U 2. Which is The besf buy? , a. $21.25 for 15 pounds byfiiliq L- $ lb b. $24.90 for 18 pounds [811: $24.15 for 21 pounds 0) l5— / [vii/Hg cl. $31.60 for 24 pounds $4 1 a V ‘ 52/ lb lbw 005;.1120 : z; {ZR/lb. :Q’llb‘ ' . . I 45miles 3. Simplify The rare and express your answer In words. ghours = . . . . . _ $61.20 4, simplify m’ro a un/f rafe and e pr es your answer In words.————25l590”0ns 075g [11/1920 A 5 I z 030 /f 0070 5. Tammy was paid $150 To clean her neighbor's house. If if look 7 hours, how much did Tammy make per hour9 2 llama/ml Whrs 23,1285 7150 33 1T0 7' MaTh 64 Name: J. Frewing DoTe: Score: / 12 6. Three T—shirTs cosT 15 d ch do 5 T— shirTs cosT? $75 ll 7. Jack picked 12 apples 15 pears and Jill picked 16 apples and some pears. The raTio of apples To pears picked by Jack and Jill were The same. DeTermine how many pears Jill picked. Lei M wall”? , I Qappiis ' lbapplgs “lbpcalzs ‘ X .90 pears laxzaw W‘ X; 90 8. Physics Tells us ThaT weighTs of objecTs on The moon are proporTional To Their weighTs on EarTh. Suppose an 180 lb man weighs 30 lb on The moon. WhaT will a 60 lb boy weigh on The moon? 1:, Weight- m') anvil/l [30m .3; CpOlb. moon BOND x _ I laJXr—lsooa lleév X ‘= l0 9. A sample of 96 lighT bulbs consisTed of 4 defecTive ones. Assume ThaT Today's baTch of 6,000 lighT bulbs has The same proporTion of defecTive bulbs as The sample. DeTermine The ToTal number of defecTive bulbs made Today. (Ignore The facT ThaT The assumpTion of exacT proporTionaliTy is highly unlikely) Lat Xxd€{fic;fipfi be} i lass Clio bulbs L [9000 bulbs 4d€¥échivc x q .i .. M Qfiedcfegfim { : “@4000 am oi c0000 bulbs ...
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This note was uploaded on 01/13/2012 for the course MATH 64 taught by Professor Janetfrewing during the Spring '10 term at Riverside Community College.

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IA6.1-6.3Sol - MaTh 64 Name: J'. Frewing Date; __________...

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