Which number expression represents 1/2 the sum of 7 and 5 please help
1 answer:
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Answer:
It costs $154.88 to build the fences.
Step-by-step explanation:
Perimeter of square =
We are given that A garden is in the shape of a square with a perimeter of 56 feet.
So,
Side =
So, Side of square park = 14 feet
One fence is around the perimeter of the garden, whereas the second fence is 2 feet from the first fence on the outside.
Outer length = 14+2+2=18 feet
So, Perimeter of outer fence =
Cost of fencing 1 foot = $1.21
Cost of fencing 56 feet =
Cost of fencing 72 feet =
Total cost = 67.76+87.12=154.88
Hence It costs $154.88 to build the fences.