Answer:
Todd spent 75, Matt spent 50 and Jeff spent 150
Explanation:
Matt = y - 25
Jeff = 3(y - 25)
Todd = y
y - 25 + 3y - 75 + y = 275
5y - 100 = 275
5y = 275 + 100
5y = 375
y = 375/5
y = 75.......Todd therefore spent 75 dollars!!
I think it gets easy from here