I'm not sure but I think that he had $240 in his savings account. I not sure if the method I used is correct so look at someone else's answer if they have a different amount of money.
Step-by-step explanation: You have to do y-y over x-x. So -1 minus-5 which equals 4. Then 5 minus 4 which equals 1. So you divide the answers you got 4÷1=4
