SOLUTION: i have twice as many nickels as quarters. If the coins are worth $4.90. How many quarters are there?

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 354723: i have twice as many nickels as quarters. If the coins are worth $4.90. How many quarters are there?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.25x+.05*2x=4.90
.25x+.10x=4.90
.35x=4.90
x=4.90/.35
x=14 quarters.
2*14=28 nickels.
proof:
.25*14+.05*28=4.90
3.50+1.40=4.90
4.90=4.90
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