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

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Presentation transcript:

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

Question #1

Answer r = 42

Question #2 A 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 #3 Convert ⅜ to a decimal AND to a percent

Answer & 37.5%

Question #4 Convert 0.68 to a percent AND to a fraction in simplest form

Answer 68% & 17/25

Question #5 Convert 45% to a fraction in simplest form and to a decimal

Answer 9/20 & 0.45

Question #6 What number is 16% of 40?

Answer x = is 16% of 40

Question #7 What percent is 24 of 40?

Answer x = 60% 24 is 60% of 40.

Question #8 18 is 90% of what number?

Answer x = is 90% of 20.

Question #9

Answer k = 62.5

Question #10 There is a sale at Ambercrombie today. Everything in the store is 40% off. Caitlyn finds a skirt for $ How much is the discount she’ll receive today?

Answer $14.00

Question #11 Will 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 #12 Donnie 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 #13 There 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)

Answer 22 : 3 or 22 to 3 or 22/3

Question #14 GlassesNo Glasses 6A2280 6B3170 6C1882 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?

Answer A.) 9 : 40 or 9 to 40 or 9/40 B.) 7 : 4 or 7 to 4 or 7/4

Question #15 VJ’s meal and drink at Chili’s cost $ 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)