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February 28, 2015

February 28, 2015

Posted by **Cathy** on Tuesday, October 13, 2009 at 11:46pm.

A piggy bank contains only nickels and dimes. In all there are 42 coins with a total value of $3.85. How many nickels are in the piggy bank??

- math -
**Jim**, Tuesday, October 13, 2009 at 11:52pmtwo equations

: n+d=42

.05n+.10d=3.85 or 5n+10d=385

- math -
**Cathy**, Tuesday, October 13, 2009 at 11:59pmSorry forgot to post the answers, which one would it be??

And can you show how you solved it??

A-3

B-7

C-17

D-35

Thanks

- math -
**Cathy**, Wednesday, October 14, 2009 at 12:43amOk I got it. Its process of elimination. So it would be B-7.

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