High School

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A boat travels 84 miles in 4 hours. How should you calculate the unit rate of miles to hours?

A. Divide 84 by 4
B. Divide 4 by 84
C. Multiply 84 by 4
D. Multiply 4 by 84

Answer :

Final answer:

To find the boat's unit rate of miles to hours, we should divide the total distance (84 miles) by the total time (4 hours), yielding a unit rate of 21 miles per hour.

Explanation:

To calculate the unit rate of miles per hour for the boat, we should divide the total distance traveled by the total time taken. This means we will choose option a) Divide 84 by 4. Doing so, we find that the boat travels at a rate of 21 miles per hour (84 miles ÷ 4 hours = 21 miles/hour).

Let's use the steps to ensure our answer is reasonable. The question asks for a unit rate, which is a measure of a quantity per one unit of another quantity, in this case, miles per hour. Since the boat travels 84 miles in 4 hours, a reasonable unit rate would be a division of the total distance by the total time.

Remember, performing the correct operation is crucial when calculating rates, speeds, or other related measurements. Dividing distance by time gives us speed, which is what's required in this scenario.

Thanks for taking the time to read A boat travels 84 miles in 4 hours How should you calculate the unit rate of miles to hours A Divide 84 by 4 B. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

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Answer: A

Step-by-step explanation:

Dividing 84 by 4 would tell you how many miles an hour the boat is going (21)