Akash cycles to his school at an average speed of 12km/h.With this speed, he takes 20 mins to reach school, but he is late by 5 mins now.How should he adjust his speed so that he can reach on time?
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Step by step explanation,
Given
avg speed of cycle-12km/hr
time 20mins
he is late bu 5 mins so new time is 20-5=15 mins
S=D/T
D=S×T 12×2/6 (converting time to hr)
D=4 km
T2=15min
S=D/T 4/15 =0.26
So he should increase speed by 0.26
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