Question

Janice and her dad are building a treehouse. Her dad bought a box of 155 nails for $3.10 and a box of 85 screws for $7.65. How much more do screws cost per piece?

Answer 1

.07 cents more for screws

Answer 2

3.10/155= 0.02 } subtract = 0.07 more
7.65/85= 0.09 }