Question

Find a unit rate: Joel ran 1500 meters in 5 minutes, 20 seconds.

Give your answer accurate to at least one decimal place.

Answer 1

4.6875 m/s

Explanation:

You want the unit rate if Joel ran 1500 m in 5 minutes, 20 seconds.

Rate

The speed is found by dividing distance by time. In seconds, the time is ...

min:sec = 5:20 = (5·60) +20 = 320 . . . . seconds

Then the rate is ...

(1500 m)/(320 s) = 4.6875 m/s

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