A boy can run 49metres in 6.3seconds . How far can he run in 4.5seconds
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in 6.3 sec - 49 m
then, in 1 sec - 490/63 m
or, in 4.5 sec - 490/63 × 45/10
= 35 m
then, in 1 sec - 490/63 m
or, in 4.5 sec - 490/63 × 45/10
= 35 m
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