mary ran the 5 m race in 45 mn. melanie ran the 2 km race in 17 min. who ran the faster race? what was the rate per hour
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Step by step Explanation-
Mary ran 5metres in 45 minute
by applying the formula
speed=distance/ time
speed=5/45
speed = 1/9
speed = 0.11111111111m per minute
Melanie ran 2km in 17 minutes
by applying the formula
speed=distance/ time
speed=2000/17
speed=117.64705882m per minute
Hence Melanie ran faster than Mary
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