nicole043673r nicole043673r

13-09-2020
Mathematics

contestada

The area of the 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 ?

Respuesta :

oscar236 oscar236

13-09-2020

Answer:

360 feet.

Step-by-step explanation:

Let x = length, then the width is 4x/9 feet.

So we have the equation:

x * 4x/9 = 57600

4x^2 / 9 = 57600

4x^2 = 57600 * 9

x^2 = 57600 * 9 / 4

x = √57600 * 3 / 2

x = 240* 3/2

x = 360 feet.

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