7-3 Solve.

NATURE The herring can swim 74 miles in 20 hours. The cod can swim 35 miles in 7 hours. Which fish swims at a faster rate?

Understand

Read the problem. Write what you know.

The herring can swim

74

hours.

miles in

20

The cod can swim

35

hours.

miles in

7

7-3 Plan

Pick a strategy. One strategy is to solve a simpler problem. Find each unit rate.

7-3 Solve

Write each rate as a fraction. Find an equivalent rate with a denominator of 1.

Unit Rate of the Herring Unit Rate of the Cod

7-3

Compare the unit rates for each fish.

3.7

miles/hour <

5

miles/hour The

cod

swims at a faster rate.

7-3 Check

Does the answer make sense? Did you answer the question?