A boy runs one km in 12min. how long will he take to runs 400m?
a) 4min48sec
b) 5min
c) 6min
d) 12min
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Time taken to run in 400min
=400 ÷ by 12
=33.3333333
a) Meter's run in 4min 48 sec
=12min÷4min
=3m⇒⇒ (this is 3m because 1km is bigger than 3m and 4 min and 8 sec is smaller than 12min)
seonds=48min÷12
=4 sec
total=3m 4secs
b)5min
=12÷5
=2.4km
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