SOLUTION: I have 19 coins that are worth a total of $1.10. If they consist of only dimes and nickels, then how many nickels do I have?

SOLUTION: I have 19 coins that are worth a total of $1.10. If they consist of only dimes and nickels, then how many nickels do I have?

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Question 291845: I have 19 coins that are worth a total of $1.10. If they consist of only dimes and nickels, then how many nickels do I have?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
The simplest way is to take the coins and count the nickels.
But we can also use algebra
n+d=19
5n+10d=110
d=3 n=16

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