A rectangular prism shaped fish tank is 16 inches tall. The perimeter of the base is 112 inches. The length of the base is 3 times the width base. What is volume?

Answer 1

Perimeter = 2*L + 2*w

112 = 2(3w) + 2w = 6w + 2w = 8w

112/8 = w

14 = w

L=42

V = l*w*h = 42*14*16 = 9408