a rectangular feild a 72m by . keya walks around it at the rate of 3 km per hr .how long will she takes to make 3 rounds?
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Step-by-step explanation:
Length of one round =2(72+58) = 260m
total length of three rounds = 3(260) = 780m = 0.78 km
Time to make three rounds =
speed
distance
=
3
0.78
15.6min
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