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April 21, 2014

April 21, 2014

Posted by **Lynnese** on Wednesday, April 8, 2009 at 5:57pm.

please help me figure this one out?

- 4th grade -
**Courtney**, Wednesday, April 8, 2009 at 6:01pmBobby has 12 coins.

he has 3 dimes, 6 pennies, and 3 quarters

- 4th grade-math -
**Lynnese**, Wednesday, April 8, 2009 at 6:12pmHow did you get your answer? Please explain it to me?

- 4th grade -
**Courtney**, Wednesday, April 8, 2009 at 6:19pmi used the equation: 1/2x+1/4x+3=x

then add 1/2x and 1/4x: 3/4x+3=x

then subtract 3/4x on both sides:3=1/4x

then divide by 1/4x: 12=x

-12 coins is the answer :)

- 4th grade -
**Reiny**, Wednesday, April 8, 2009 at 6:20pm1/2 + 1/4 = 3/4

so 3/4 of his coins must be made up of pennies and quarters.

so that means the remaining 1/4 must be dimes

But we know that he has 3 dimes

think this way: 1/4 of what number is 3 ?

or

3 divided by 1/4 is .... ?

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