Question

The ceiling of Katie's living room is a square that is 15 ft long on each side. To decorate for a party, she plans to hang crepe paper around the perimeter of the ceiling and then from each corner to the opposite corner. Katie can buy rolls that each contain 20 ft of crepe paper. What is the minimum number of rolls she should buy? Show your work.

Answer 1

6

Explanation:

took test

Answer 2

3

Explanation:

Steps to answering this question :

1. Determine the perimeter of the ceiling
2. Divide the perimeter of the ceiling by the length of the rolls of crepe paper

Perimeter of square = 4l

Where l = length of a side

4 x 15 feet = 60 feet

60/20 = 3