Question:
Martin uses 5/8 of a gallon of paint to cover 4/5 of a wall. what is the unit rate at which Martian paints in walls per gallon
Answer:
0.78125 walls per gallon
Explanation:
Given


Required
Determine the unit rate
This is calculated as:

Substitute values for wall and paint

Simplify:

Change to *




Hence, the unit rate is: 0.78125 walls per gallon