SOLUTION: Etienne emptied his collection of nickels and dimes on his cot. If his 38 coins were worth $3.25, how many coins of each type did he have?

Algebra.Com
Question 282925: Etienne emptied his collection of nickels and dimes on his cot. If his 38 coins were worth $3.25, how many coins of each type did he have?
Answer by user_dude2008(1862)   (Show Source): You can put this solution on YOUR website!
n+d=38
0.05n+0.10d=3.25


n+d=38
5n+10d=325


-5n-5d=-190
5n+10d=325
----------
5d=135

d=27

n+d=38 ---> n+27=38 ---> n=11

Answer: 11 nickels and 27 dimes

RELATED QUESTIONS

Etienne emptied his collection of nickels and dimes on his cot. If his 38 coins were... (answered by richwmiller)
Sam emptied his collection of nickels and dimes on his bed. If his 46 coins were worth... (answered by fractalier)
Sam emptied his collection of nickels and dimes on his bed. If his 46 coins were worth... (answered by ptaylor)
in his report, the cashier of a snack bar turned a number of coins amounting to $6.25... (answered by CubeyThePenguin)
John has a collection of 75 coins. His collection has only nickels and dimes. He has 4... (answered by Alan3354,fractalier)
Solve the following using system of equations A collection of dimes and nickels is... (answered by Alan3354)
andres had 23 coins in his pocket. the coins consists of nickels and dimes. if the value... (answered by lynnlo)
Andres has 23 coins in his pocket. The coins consist of nickels and dimes. If the value... (answered by fion23)
Felix has 40 coins consisting of dimes and nickels. If the value of his coins is $3.80,... (answered by josmiceli)