The ratio of the length to breadth of a rectangle lawn is 3:5. It cost $3200 to fence it at the rate of $2 a meter . What would be cost of developing the lawn at the rate of $10 per square metre?
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$16000 is the developing cost of the lawn .... as
total cost of fencing the lawn is 3200$ @ $2
so.....
the area becomes 3200/2=1600m^2
then the cost of developing lawn is @$10 per m^2
then the cost of 1600m^2=1600×10= $16000
total cost of fencing the lawn is 3200$ @ $2
so.....
the area becomes 3200/2=1600m^2
then the cost of developing lawn is @$10 per m^2
then the cost of 1600m^2=1600×10= $16000
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