Ratios and Rates
Proportions
Solving Proportions
100

find the unit rate 

50 miles in 56 hours 

0.89

100

2/8=3/4

Simplify

24

100

The school store sells 4 pencils for $0.80. What is the unit cost of a pencil?

A.$0.20          B.$0.80

C. $3.20         D.$5.00

A. $0.20

200

12345678 miles in 123458124 hours 

0.1

200

3/7=8/9

Simplify

56

200

20/50=30/x

75

300

4 miles/4 hours

1 mile per hour

300

7/8=9/9

Simplify

72

300

6/15=n/25

n=10

400

40miles/3.8 hours

10.53 miles per hour

400

4/13=12/11

Simplify

156

400

Is this a proportion?

2/3=6/9

Yes

500

29 miles/1.1 hours

26.36 miles per hour

500

4/12=13/28

Simplify

156

500

20/25=4/5

100

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