Question

A rectangular table is three times as long as it is wide. If the area is 147 ft2, find the length and the width of the table.

The width of the table is ___

Which one?

ft^2
ft^3
ft

Answer 1

• 27 ft and 9 ft

Explanation:

Let the width is x and the length is 3x.

The area is the product of the width and the length:

• A = lw

• 147 = x*3x
• 147 = 3x²
• x² = 147/3
• x² = 49
• x = √49
• x = 9 ft

The length is:

• l = 3*9 = 27 ft