SOLUTION: Bob has 39 coins in nickels and dimes he has a total of $2.45. let x represent the nickels and y represent the dimes. Which system of linear equations can be used to determine the

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Question 630482: Bob has 39 coins in nickels and dimes he has a total of $2.45. let x represent the nickels and y represent the dimes. Which system of linear equations can be used to determine the number of dimes?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
It makes no sense to use x and y.
I will use n and d.
n+d=39
5n+10d=245