Question

Peter buys 8.5 square feet of carpet. the carpet costs $10.20 per square foot, how much does peter pay for the carpet?

Answer 1

he pays $86.70 for the carpet. 8 time 10.2 equals 81.6.
10.2 divided by 2 equals 5.1. you will use 5.1 later.
81.6 + 5.1 = 86.7