For the answer to the question above asking Melissa is helping her dad build a walkway in their backyard. The walkway will be 545454 feet long and 1.51.51, point, 5 feet wide. The local hardware store sells tiles which are 1.51.51, point, 5 by 1.51.51, point, 5 feet and come in boxes of 121212.
54 dived by 1.5 is 36.
36 dived by 12 is 3.
You need 3 boxes.