Question

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 ?

Answer 1

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