Answer :
A.) Equation of Perimeter of a rectangle (P) = 2(l + w)
48 = 2(9 + x)
B.) Solving: 48 = 2(9 + x)
48 = 18 + 2x
2x = 48 - 18
x = 30/2
x = 15
In short, Width would be: 15 inches
Hope this helps!
48 = 2(9 + x)
B.) Solving: 48 = 2(9 + x)
48 = 18 + 2x
2x = 48 - 18
x = 30/2
x = 15
In short, Width would be: 15 inches
Hope this helps!