Lesson 7-3 Example 4

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Lesson 7-3 Example 4
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 miles in 20
hours. The cod can swim 35 miles in 7 hours.
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Lesson 7-3 Example 4
7-3
Plan Pick a strategy. One strategy is to solve a
simpler problem. Find each unit rate.
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Lesson 7-3 Example 4
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
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Lesson 7-3 Example 4
7-3
Compare the unit rates for each fish.
3.7 miles/hour lt 5 miles/hour The cod swims at a
faster rate.
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Lesson 7-3 Example 4
7-3
Check Does the answer make sense? Did you answer
the question?