Kathleen O. answered 04/24/20
Editor/Researcher, Economics, Finance, Writing teacher, Ivy League
A. You’re looking for the amount of money he has left. I’ll call it x.
b. I think you know this? She had 40 and spent 7, so would you add or subtract?
c.What’s the total amount of money that he has?
d. A hint to part b is that x < ’
Write the equation with the inequality sign.
I don’t want to just give you the answer, as that’s not really the way to teach! But you should get it from this.