SOLUTION: If Mariah has 2 more nickels than dimes and they have a combined value of 85 cents, how many of each coin does she have? dimes nickels

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Question 1105483: If Mariah has 2 more nickels than dimes and they have a combined value of 85 cents, how many of each coin does she have?
dimes
nickels
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If Mariah has 2 more nickels than dimes and they have a combined value of 85 cents, how many of each coin does she have?
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Without the "2 more nickels" she has 75 cents.
1 nickel & 1 dime = 15 cents
75/15 = 5 pairs
etc

Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
system%28n=d%2B2%2C5n%2B10d=85%29

system%28n=d%2B2%2Cn%2B2d=17%29


system%28n-d=2%2Cn%2B2d=17%29

3d=15
You can continue from here.