SOLUTION: I have a jar containing 88 coins, all of which are either quarters or nickles. the value is $13. how many of each type of coin do I have?

Question 411502: I have a jar containing 88 coins, all of which are either quarters or nickles. the value is $13. how many of each type of coin do I have?
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
I have a jar containing 88 coins, all of which are either quarters or nickles. the value is $13. how many of each type of coin do I have?
Sol'n:
let q - the total # of quarters
n - the total # of nickels
q+n=88 ---(1)
0.25q+0.05n=13 ---(2)
solving two equations, either by elimination or by substitution
q=43, n=45
thus,
quarters are 43 pcs & nickels are 45 pcs. ---answer
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