Callmetay24
03.08.2019 •
Mathematics
Arectangular field is 70 feet long and 30 feet wide. if fencing cost $7 per yard, how much will it cost to enclose the field
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Ответ:
$7 per yard of fencing
70 × 2 = 140
30 × 2 = 60
140 + 60 = 200
200 ÷ 3 = 66.6
66.6 × 7 = 466.66
To enclose the field, it will cost $466.66.
Ответ:
I had the same issue.
Step-by-step explanation:
Here is the actual equation.
A=1/2(6)(7+7)
A=1/2(6)(14)
A=(3)(7)
A=21cm^2
He messed up on line 3 by multiplying 1/2 to both numbers. It should be A=(3)(14) and he would have gotten 42.