Problema Solution
Billy uses 64ft of fencing material to build a rectangular fence around his garden. If the width of the fence is 12ft, what is the length?
Answer provided by our tutors
let
l = the length, l>o
w = 12 ft the width
Billy uses 64ft of fencing material to build a rectangular fence around his garden means the perimeter of the rectangular fence is 64 ft:
2(l + w) = 64
plug w = 12 into the last equation:
2(l + 12) = 64
by solving we find:
l = 20 ft
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the length is 20 feet.