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Question

it takes a gardener 45 minutes to dig a flower bed of area 7.5m2.if he digs at the same rate,how long does he take to dig 9m2.

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Solution

It is given that 7.5 m2 of flower bed is dug by gardener in 45 min.Let the time taken to dig 9 m2 of the flower bed = x minNow, area of flower bed dug varies directly with the time taken, so x9 = 457.5x = 9 × 457.5 = 54So, time taken to dig 9 m2 of the flower bed = 54 min

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