Thursday

December 18, 2014

December 18, 2014

Posted by **katie** on Wednesday, November 29, 2006 at 2:53pm.

let d = #dimes and q=#quarters.

The total is worth $6.30.

eqn 1 is 0.10*d + 0.25*q=$6.30

eqn 2 is 2*#quarters = #dimes or

2q=d.

Two equatins and two unknowns. Solve for q and d.

Post your work if you get stuck.

- math -
**oh my gosh**, Thursday, April 28, 2011 at 11:22pmin a jar of coins there is 15 more dimes than nickels. If the total value of the coins in the jar is $6.90 how many of each coin is in the jar?

Any help for this?

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