SOLUTION: i have eight more quarters than dimes. if the coins are woth $6.20, how many dimes are there?

SOLUTION: i have eight more quarters than dimes. if the coins are woth $6.20, how many dimes are there?

Algebra.Com

Question 225103: i have eight more quarters than dimes. if the coins are woth $6.20, how many dimes are there?
Answer by LtAurora(115) (Show Source): You can put this solution on YOUR website!
Our given equations are:

Plug the first eq. into the second:

Simplify:

Move the 2 over and combine like terms:

Divide both sides by .35:

So, using our first equation:

Checking our work: 20 quarters = $5 and 12 dimes = $1.20. The sum of those is $6.20, so we're good.
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