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seannasal2804
03.12.2019 •
Mathematics
Dogwood park is 30 yards long by 20 yards wide. kylie is making plans to double the area by adding a strip at one end and another of the same width on one side. find the width of the strip.
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Ответ:
Area = Lenght*Width = L*W where L=30 yards and W=20 yards
Area = 30*20
Area = 600 yards squared
Solving for the x, when x is added to both sides which double the area:
A1*2 = (L + 2x)*W
600*2 = (30+2x)*20
1200 / 20 = 30+2x
60 = 30 + 2x
60-30 = 2x
30/2 =x
15 = x
The value of x is 15 yards.
Ответ:
P = 9
Step-by-step explanation: