find the ratio of length and breadth of a rectangular garden is 4.3 .If its area is 4800m2 , find the cost of fencing it with wire four times at the rate of $1.75per m
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let the length and breadth be 4x and 3x.
(4x*3x)m²=4800
12x²m²=4800
x²=4800/12=400
x=√400=20m
length=4*20=80
breadth=3*20=60
Four times=$4*1.75=$7
perimeter=2(80+60)m=2*140m=280m
now,cost of fencing=$280*7=$1960.
HOPE IT HELPS YOU
(4x*3x)m²=4800
12x²m²=4800
x²=4800/12=400
x=√400=20m
length=4*20=80
breadth=3*20=60
Four times=$4*1.75=$7
perimeter=2(80+60)m=2*140m=280m
now,cost of fencing=$280*7=$1960.
HOPE IT HELPS YOU
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