SOLUTION: Billy has 16 coins in a jar. The jar contains only nickels and dimes. If the coins are worth $1.10, how many nickels does Billy have?
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Question 435367: Billy has 16 coins in a jar. The jar contains only nickels and dimes. If the coins are worth $1.10, how many nickels does Billy have?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
n+d=16
5n+10d=110
5n+5d=80
5d=30
d=6
n=10
Billy has 10 nickels and 6 dimes..
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