SOLUTION: John has some dimes and quarters in his pocket. The value of the coins are $6.20. There are 8 more quarters than dimes. How many dimes and quarters does he have? Please help

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Question 360576: John has some dimes and quarters in his pocket. The value of the coins are $6.20. There are 8 more quarters than dimes. How many dimes and quarters does he have?
Please help on the equation set up.
Thanks!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"There are 8 more quarters than dimes" ___ q = d + 8

"The value of the coins are $6.20" ___ 10d + 25q = 620

substitution looks like the way to go...