Question

It takes a gardener 45 minutes to dig a flower bed of area 7.5 metre square . If he digs at the same rate , how long does he take to dig 9 metre square​

Answer 1

time taken for 7.5$m^2$, is 45 minutes.

let the time taken to dig 9$m^2$ be x minutes.

7.5 $m^2$ = 45 mins

9 $m^2$    = x mins

by cross multiplication we have, $x * 7.5 = 9 * 45$

$x = \frac{9 * 45}{7.5}$ = 54 minutes.

the time taken will be 54 minutes.

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