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

Unit 3B ReviewRatios, Proportions, Fractions,

Decimals, & Percents

Question #1

6 4

28r

Answerr = 42

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?

Answer

3.75 or 3 ¾ cups of chocolate

chips

Question #3Convert ⅜ to a

decimal AND to a percent

Answer

0.375 & 37.5%

Question #4Convert 0.68 to a percent AND to a

fraction in simplest form

Answer

68% & 17/25

Question #5Convert 45% to a fraction in simplest

form and to a decimal

Answer

9/20 & 0.45

Question #6What number is 16%

of 40?

Answerx = 6.4

6.4 is 16% of 40

Question #7What percent is 24 of

40?

Answerx = 60%

24 is 60% of 40.

Question #818 is 90% of what

number?

Answerx = 20

18 is 90% of 20.

Question #9

2 25

5 k

Answerk = 62.5

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?

Answer$14.00

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?

Answer$7.73

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?

Answer$0.63

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)

Answer22 : 3

or22 to 3

or22/3

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?

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

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

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.

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)