Ratios & Unit Rates

Unit Rates

100

32 customers in 4 checkout lanes

32÷4 = 8 customers per lane

300

75 pints of juice in 5 containers

75÷5 = 15 pints per container

500

120 dollars for mowing 4 lawns

120÷4 = 30 dollars per lawn

Ratios

100

40 centimeters of snow in 20 hours

40÷20

300

216 cherry pieces in 6 bags of candy

216÷6

500

92 dollars for 46 TV channels

92÷46

Comparing Unit Rates

100

A book store was selling 2 books for AED40. Online the you could buy 7 books for AED147. Which place has a lower unit price?

Book Store = 40÷2 = AED20 books, and Online = 147÷7 = AED21. It's cheaper to buy online

300

At a comic book convention vendor 1 was selling a set of 4 comics for AED24. Vendor 2 was selling a set of 3 comics for AED 21. Which vendor has the higher unit price?

Vendor 1 = 24÷4 = AED6 Vendor 2 = 21÷3 = AED7 Vendor 2

500

At the store Brand A potato chips were AED16 for 4 bags. Brand B potato chips were AED12 for 3 bags. Which brand has the cheaper price?

Brand A = 16÷4 = AED4 Brand B = 12÷3 = AED4 Both cost the same

Review

100

-5 Integer or Whole Number?

Integer

300

0.75 Rational or Integer?

Rational

500

(3x5)+6x2÷4+3

21