The length and breath of a play ground are 80m and 35m respectively how long will a boy take to go three times round the field ,if he walks at rate of 1.5m per second?
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In 460 seconds he complete 3 rounds
hope it is helpful
hope it is helpful
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Length =80m
Breath =35m
Perimeter =2 (l+b)
=2 (35+80)
=230m
Distance the boy travelled =3×perimeter
=3×230
=690m
Speed of the boy=1.5m/s
Speed =distance ÷time
1.5m/s=690÷time
Time=690÷1.5
=460s
Therefore, time taken by the boy is 460 seconds
Thank you
Breath =35m
Perimeter =2 (l+b)
=2 (35+80)
=230m
Distance the boy travelled =3×perimeter
=3×230
=690m
Speed of the boy=1.5m/s
Speed =distance ÷time
1.5m/s=690÷time
Time=690÷1.5
=460s
Therefore, time taken by the boy is 460 seconds
Thank you
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