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15 October, 03:07

Play area can be determined using the formula

f=4Va+9-16, where f represents the feet of

fencing and a represents the area. If Highwoods

Park has 420 feet of fencing, what is the number

of square feet that can be enclosed for the

children's play area?

A. 11,872 square feet

B. 1.44 square feet

C. 10,192 square feet

D. 66.85 square feet

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Answers (1)
  1. 15 October, 03:20
    0
    B

    f=4Va+9-19

    420=4*Va-7

    420 = - 3Va

    divide both side by - 3

    420/3 = - 3Va/-3

    =144

    =1.44 square feet
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