Question

Geoffrey ran 13.5 miles in 1.5 hours.

What was his speed in miles per second?

Answer 1

HEYA DEAR YOUR ANSWER IS HERE
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1.5 HR= 1.5*60*60=5400 SEC

SO SPEED =13.5/5400=0.0025 MILES/SEC
 HOPE IT HELPS

Answer 2

Distance = 13.5 miles
Time taken = 1.5 hr
= 1.5×3600
= 5400 second

Speed = Distance/ time
= 13.5/5400
= 1/400 mile/sec
= 0.0025 miles per second.

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