# A hallway measuring 90 feet by 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallway?

##### 1 Answer

Jul 14, 2016

#### Answer:

315 fluid ounces

#### Explanation:

The area of the hallway floor is found using the formula for the area of a rectangle (we can do it with integration but there's no point in such a simple case).

Amount of cleaning solution required given by: