SOLUTION: I have twice as many nickels as quarters. If the coins are worth $4.90, how many quarters are there?

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Question 173871: I have twice as many nickels as quarters. If the coins are worth $4.90, how many quarters are there?
Answer by nycsub_teacher(90) About Me  (Show Source):
You can put this solution on YOUR website!
I have twice as many nickels as quarters. If the coins are worth $4.90, how many quarters are there?
Let x = quarters
Let 2x = nickels
.25x + 2x(.05) = 4.90
0.35x = 4.90
x = 4.90/0.35
x = 14
There are 14 quarters.