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The area of a football field is 57,600 square feet. If the width of the field is 4/9 the length, what is the length of the football field ?
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The area of a football field is 57,600 square feet. If the width of the field is 4/9 the length, what is the length of the football field ?

User LucaRoverelli
by
8.6k points

1 Answer

0 votes

Answer:

360 ft

Explanation:

Given

  • Area = 57600 ft²
  • Length = x
  • Width = 4/9x

Solution

  • A = lw
  • x*4/9x = 57600
  • 4/9x²= 57600
  • x² = 57600*9/4
  • x² = 129600
  • x = √129600
  • x = 360 ft
User Roshonda
by
7.3k points
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