unit 3b review ratios, proportions, fractions, decimals, & percents

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Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

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Page 1: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Unit 3B ReviewRatios, Proportions, Fractions,

Decimals, & Percents

Page 2: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #1

6 4

28r

Page 3: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answerr = 42

Page 4: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #2A recipe calls for 4 cups of flour

and 1.5 cups of chocolate chips. How many cups of chocolate chips would be

needed if 10 cups of flour are used?

Page 5: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer

3.75 or 3 ¾ cups of chocolate

chips

Page 6: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #3Convert ⅜ to a

decimal AND to a percent

Page 7: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer

0.375 & 37.5%

Page 8: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #4Convert 0.68 to a percent AND to a

fraction in simplest form

Page 9: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer

68% & 17/25

Page 10: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #5Convert 45% to a fraction in simplest

form and to a decimal

Page 11: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer

9/20 & 0.45

Page 12: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #6What number is 16%

of 40?

Page 13: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answerx = 6.4

6.4 is 16% of 40

Page 14: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #7What percent is 24 of

40?

Page 15: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answerx = 60%

24 is 60% of 40.

Page 16: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #818 is 90% of what

number?

Page 17: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answerx = 20

18 is 90% of 20.

Page 18: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #9

2 25

5 k

Page 19: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answerk = 62.5

Page 20: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #10There is a sale at Ambercrombie

today. Everything in the store is 40% off. Caitlyn finds a skirt for $35.00. How much is the

discount she’ll receive today?

Page 21: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer$14.00

Page 22: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #11Will is taking his girlfriend to

dinner. He wants to impress her, so he is going to leave the server

a 22% tip. If their meals cost $35.14, how much of a tip will the server receive from Will?

Page 23: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer$7.73

Page 24: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #12Donnie went to the movies

last weekend. His movie ticket cost $8.99. The sales

tax is 7%. How much did the ticket cost after tax?

Page 25: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer$0.63

Page 26: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #13There are 88 female teachers at

McClure Middle School. There are 12 male teachers. What is the ratio of female teachers to male teachers? (Remember to put your ratio in simplest form)

Page 27: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer22 : 3

or22 to 3

or22/3

Page 28: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #14Glasses No Glasses

6A 22 806B 31 706C 18 82

A.) What is the ratio of 6C students with glasses to 6A students without glasses?

B.) What is the ratio of 6B students without glasses to the total number of 6A & 6C students with glasses?

Page 29: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

AnswerA.) 9 : 40 or 9 to 40 or 9/40

B.) 7 : 4 or 7 to 4 or 7/4

Page 30: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Question #15VJ’s meal and drink at Chili’s cost $21.98. Tax is 6.5%. He is going to leave a 15% tip. How much money will VJ have to

pay after tax and tip? Calculate tax first, then tip.

Page 31: Unit 3B Review Ratios, Proportions, Fractions, Decimals, & Percents

Answer$26.92

Total after tax and tip($1.43 tax - $23.41 with tax included)

($3.51 tip added onto $23.41 to get $26.92)