SOLUTION: David has 3 more dimes than nickels. He loses 2 dimes then counts his money and finds he has $3.10. How many nickels does David have? I keep getting a fraction with this. Thank

Question 123561: David has 3 more dimes than nickels. He loses 2 dimes then counts his money and finds he has $3.10. How many nickels does David have? I keep getting a fraction with this.
Thank you for your help.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= number of nickels
= number of dimes

Substitute in the 1st for in the 2nd

He has 20 nickels
check answer

OK
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