Question

john painted 1 side of a door with an area of 2880 square inches in 1 1/2 hours. what is the speed, in square inches per hour at which hour did john pained th door

Answer 1

If you would like to know what is the speed in square inches per hour, you can calculate this using the following steps:

2880 square inches ... 1 1/2 hours = 3/2 hours
x square inches = ? ... 1 hour

2880 * 1 = 3/2 * x
2880 = 3/2 * x /*2/3
x = 2880 * 2/3
x = 1920 square inches per hour

The correct answer would be 1920 square inches per hour.