Thursday

August 21, 2014

August 21, 2014

Posted by **aj** on Sunday, April 22, 2012 at 1:27am.

- algebra -
**MathMate**, Sunday, April 22, 2012 at 10:10amSolve mentally:

Start with 6 dimes and 1 nickel.

The difference is $0.55.

To get $4.95 as the difference, we have to multiply by the factor $4.95/0.55=9

So there are 54 dimes and 9 nickels.

Solve by algebra:

N=number of nickels

D=6N=number of dimes

0.10D-0.05N=4.95

0.10(6N)-0.05N=4.95

0.55N=4.95

N=4.95/0.55=9 (as before)

D=6*9=54

- algebra -
**Kris**, Thursday, January 10, 2013 at 11:27pmJohn sister has $4.95 in dimes and quarters in her piggy bank. There are 3 fewer dimes than quarters. How many quarters and dimes are in the piggy bank?

**Related Questions**

8th Grade Algebra - I need help with these problems: 1) A vending machine takes ...

maths - Class 5G is having a pizza party. Mrs Baker asked all the children to ...

algebra - O.k. I'm 42 trying to help my nephew with algebra and lets just say it...

algebra - a jar contains $8.75 in nickels, dimes and quarters. There are two ...

Math - heather has $2.50 in nickels, dimes, and quarters. she has 3 times as ...

Algebra - Dylan has $2.30 in dimes and nickels. The dimes exceed nickels by 5. ...

math - grant's change rack contained $8.80 in quarters, dimes, and nickels. ...

math - John has $2.50 in nickels and dimes in his wallet. He has twice as many ...

Math - aretha has $0.58 in nickels and dimes. she has 2 more nickels than dimes...

math - Sal keeps quarters, nickels, and dimes in his change jar. He has a total ...