# Thelma and Laura start a lawn-mowing business and buy a lawnmower for $225. They plan to charge $15 to mow one lawn. What is the minimum number of lawns they need to mow if they wish to earn a profit of at least $750?

##### 1 Answer

Jul 20, 2017

#### Answer:

I got

#### Explanation:

The profit will be given as:

(where we subtracted the cost of the mower) so that

We need to solve:

rearranging: