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October 31, 2014

October 31, 2014

Posted by **Emily** on Sunday, August 24, 2008 at 6:27pm.

14. A collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There are twice as many dimes as nickels. How many quarters are there?

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I'm pretty sure there's enough information to solve this problem, I just can't figure it out. I either get fractions or negative numbers as my answer. Any help is greatly appreciated!! :-)

- Algebra II -
**bobpursley**, Sunday, August 24, 2008 at 6:40pmQ+D+N=30

.25Q+.10D +.05N=5.50

D=2N

Yes, three equations, three unknowns, enought information.

- Algebra II -
**Emily**, Sunday, August 24, 2008 at 6:57pmAh, ok you made everything a lot simpler. Thanks!! :-)

- Algebra II -
- Algebra II -
**cyiesha**, Wednesday, August 10, 2011 at 8:35pmA collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There are twice as many dimes as nickels. How many quarters are there?

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