Answer: 23
Explanation:
In order to solve this problem you first need to find how much money he needs. Step 1. Subtract 67 from 250 to get 183. Step 2. Next you want to divide 183 by the $8 he gets 183/8 to get 22.875. Thats how many lawns he needs to mow but they said it must be a whole number. Step 3. Round up to get 23. Thats how many lawns he must mow.