Concept explainers
Find the number of days taken by the whales to migrate one way.

Answer to Problem 4P
55 days
Explanation of Solution
Given :
Pacific gray whales migrate annually from the waters near Alaska to the waters near Baja, and back.The whales travel a distance of about 5000 mi. each way at an average rate of 91 mi per day.
Calculation:
The speed of whales = 91 mi per day
The distance of one way travel = 5000 mi
So, the time =
So, the whales take about 55 days to migrate one way.
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