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I have twice as many nickels as quarters. if the coins are worth $4.90, how many quarters and nickels do i have?

I have twice as many nickels as quarters. if the coins are worth $4.90, how many quarters and nickels do i have?
asked 5.2k views
5 votes
i have twice as many nickels as quarters. if the coins are worth $4.90, how many quarters and nickels do i have?

asked
User Ignatius Reilly
by
7.8k points

1 Answer

7 votes
x - quarters
2x - nickels


0.25x+0.05\cdot2x=4.9\\ 0.25x+0.1x=4.9\\ 0.35x=4.9\\ x=14\\\\ 2x=2\cdot14=28

14 quarters and 28 nickels.


answered
User Jcw
by
7.7k points
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