Question

If 64 feet of rope weighs 20 pounds how much will 80 feet of the same rope weigh

Answer 1

256 lbs.

Explanation:

1 - Divide

64 ÷ 20 = 3.2

1 ft. of rope is 3.2 lbs.

2 - Multiply

80 · 3.2 = 256

80 ft. or rope will be 256 lbs.

Answer 2

25 pounds

Explanation:

the weight of 1 ft = 20/64 pounds

If 1 ft weighs = 20/64 pounds, then

80 ft weighs = 20/64 * 80 = 25 pounds