Answer:
a. x - 2y = 4
Step-by-step explanation:
carry on learning
Area=width*length. Let width=x ft, then length=3x ft, given the information in the problem. The area of basement=x*3x=768, 3x^2=768, x^2=256, x=16. The width is 16 feet. Therefore, length=3x=3*16=48 feet.
Well, 18 yards is 54 feet.