2 years ago

I

Mathematics

1 answer:

atroni [7]2 years ago

5 0

Answer: 16⅔ yds by 25 yds

Step-by-step explanation:

Let x be the length of 3 fence sections

Let y be the length of 2 fence sections

A = xy

3x + 2y = 100

y = 50 - 1.5x

A = x(50 - 1.5x) = 50x - 1.5x²

dA/dx = 50 - 3x

0 = 50 - 3x

3x = 50

x = 50/3 = 16⅔ yds

y = 50 - 1.5(16⅔) = 25 yds

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