Question

Express the following ratio as a unit rate. Round to the nearest tenth, if necessary. 400 yards in 62.5 seconds a. 6.4 yards per second c. 0.64 yard per second b. 64 yards per second d. 0.2 yard per second

Answer 1

The right answer is Option A: 6.4 yards per second

Step-by-step explanation:

Given,

400 yards in 62.5 seconds.

Total yards = 400

Total seconds = 62.5

We have to find yards covered in one second.

To determine the number of yards per second, we will divide total yards covered by total number of seconds.

1 second = $\frac{400}{62.5}$

1 second = 6.4 yards

The unit rate is 6.4 yards per second.

The right answer is Option A: 6.4 yards per second

Keywords: unit rate, division

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