Answer:
Width of rectangle playing field = W = 42 yards
Explanation:
Given Data:
Length of rectangle playing field = L = 100
![yards](https://img.qammunity.org/2021/formulas/mathematics/middle-school/djdoi7iabuxbgj528ra7f81g2gayse0bp5.png)
Area of rectangle playing field = A = 4200
![yards^(2)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/kw3xokma3a1k890q7vlwmveswcntorhdvw.png)
To find out:
Width of rectangle = W = ?
Formula:
Area = A = L×W
Width of rectangle playing field = W = A/L
Solution:
Width of rectangle playing field = W = A/L
Width of rectangle playing field = W = 4200/100
Width of rectangle playing field = W = 42
![yards](https://img.qammunity.org/2021/formulas/mathematics/middle-school/djdoi7iabuxbgj528ra7f81g2gayse0bp5.png)