Let x: 5 bill
let y: 10 bill
x + y = 25
5x + 10y = 230
5x + 10(25-x) = 230
5x + 250 -10x = 230
-5x = -20
x = 4
y =21
Mac's wallett is full of $5 and $10 bills. He has 25 bills totaling $230. How many of each bill does he have?
3 answers
This helped me a lot thanks.
Marc has these bills in his wallet.
1 answer