SOLUTION: I paid my bill using dimes only. If I had paid using only quarters, I would have needed 18 fewer coins. How much was my bill?

Question 857906: I paid my bill using dimes only. If I had paid using only quarters, I would have needed 18 fewer coins. How much was my bill?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
= number of dimes used.
= amount paid, in $.
= number of quarters needed to pay using only quarters.
= amount those quarters add up to, in $.

is the amount paid, in $.
RELATED QUESTIONS
I paid my bill using dimes only. If i had paid using only quarters, I would have needed... (answered by josmiceli)

I paid my bill using dimes only. If i had paid using only quarters, I would have needed... (answered by JulietG)

i paid my bill in dimes if i had paid using quarters i would have needed 12 coins less... (answered by nerdybill)

To repay a loan, I used quarters only. If I had paid using dimes only, I would have... (answered by JulietG)

To repay a loan, I used quarters only. If i had paid using dimes only, I would have... (answered by JulietG)

Barb paid her bill with quarters. If she had use dimes instead, she would have needed 27... (answered by JulietG)

I paid my bill of $3.75using only coins. I used three times as many dimes as quarters and (answered by stanbon)

I used quarters to pay a loan from Brad. If I had paid using nickels, I would have needed (answered by MathTherapy)

To repay a loan, I used quarters only. If I used quarters only, I would have needed 51... (answered by JulietG)