Question

Patty is building a rope ladder for a tree house. She needs two 4-foot pieces of rope for the sides of the

ladder. She needs 6 pieces of rope, each 15 inches long, for the steps.
How many feet of rope does Patty need to make the ladder?
Enter your answer in simplest form.

Answer 1

15.5 feet

Explanation:

12 (each foot have 12 inches) × 8 (two 4-foot pieces of rope) = 96

6 (six pieces of rope) × 15 (each rope have fifteen inches long) = 90

90 + 96 = 186

186 ÷ 12 = 15.5

12 × 15.5 = 186

Patty need 15.5 feet.