SOLUTION: You have 31 coins consisting of nickels and dimes. The coins total is $2.25. How many coins are nickel? How many are dimes?

Question 894943: You have 31 coins consisting of nickels and dimes. The coins total is $2.25. How many coins are nickel? How many are dimes?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
You have 31 coins consisting of nickels and dimes. The coins total is $2.25. How many coins are nickel? How many are dimes?
***
let x=number of nickels
31-x=number of dimes
.05x+.10(31-x)=2.25
.05x+3.10-.10x=2.25
.05x=.85
x=17
31-x=14
number of nickels=17
number of dimes=14
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