SOLUTION: Harry has a collection of coins consisting of dimes and quarters whose value is $17.60. The number of quarters exceeds the number of dimes by 8. Find the number of coins of each ki

Algebra.Com
Question 1011669: Harry has a collection of coins consisting of dimes and quarters whose value is $17.60. The number of quarters exceeds the number of dimes by 8. Find the number of coins of each kind in the collection.
Answer by ikleyn(52798)   (Show Source): You can put this solution on YOUR website!
.
Harry has a collection of coins consisting of dimes and quarters whose value is $17.60.
The number of quarters exceeds the number of dimes by 8. Find the number of coins of each kind in the collection.
------------------------------------------------------ 
10*d + 25*q = 1760    (1)
q - d = 8             (2)

Solve this system. Express q via d from the second equation and the substitute it into the first equation.

Good luck!


RELATED QUESTIONS

Harry has a collection of coins consisting of dimes and quarters whose value is $17.60.... (answered by ValorousDawn)
A coin collection has 18 coins consisting of quarters and dimes. There are two more dimes (answered by macston)
A coin collection has 22 coins consisting of quarters and dimes. There are two more dimes (answered by lynnlo)
A collection of coins consisting of dimes and quarters has a value of $2.55. If the... (answered by ikleyn,MathTherapy)
A collection of 40 coins consisting of dimes and quarters has a value of $5.95. Find the... (answered by mananth)
Amy has a collection of coins consisting of quarters and dimes. She has twice as many... (answered by josgarithmetic,ikleyn)
a cashier has 25 coins consisting of nickels dimes and quarters with a value of $4.90.... (answered by lwsshak3)
A collection of coins consisting of dimes and quarters amounts to $5.35. Twice the number (answered by josmiceli)
the value of 27 coins, consisting of dimes and quarters, is $4.50. How many dimes are in... (answered by ewatrrr)