if it costs $1600 to fence a rectangular park of length 20m at the rate of $25 per m², find the breadth of the park.
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Answered by
7
Answer:
cost to fence =$1600
cost to fence per m=$25
length=20m
breadth=?
=1600/25=64
=p=2(l+b)
64=2(20+ b)
=20+b=64/2=32
b=32-20=12
b=12
Answered by
2
Answer:12
Step-by-step explanation:25[2(l+b)]=1600 [perimter *25 =cost]
2(l+b)=1600/25
2(20+b)=64
20+b=32
b=32-20
b=12
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