SOLUTION: Josh has a pocketful of dimes and nickles. His coins have a total value of $3.10. He has a total of 40 coins. Write a system of equations that can be used to find the number of dim

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Question 894168: Josh has a pocketful of dimes and nickles. His coins have a total value of $3.10. He has a total of 40 coins. Write a system of equations that can be used to find the number of dimes, d, and the number of nickles, n, josh has.
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
n nickels and d dimes
n%2Bd=40 and 0.05n%2B0.10d=3.10.
The money count equation can be simplified through division by 0.05:
n%2B2d=62.

highlight_green%28system%28n%2Bd=40%2Cn%2B2d=62%29%29