Saturday

August 30, 2014

August 30, 2014

Posted by **Julie** on Sunday, October 18, 2009 at 7:41pm.

27 = 8k divide k = ??

5a - 3a = 18 a = ??

12r - 4r = 48 r = ??

g = 7(10-3) g = ??

These are finding the unknown number in each equation.

Thanks so much

- Math -
**Ms. Sue**, Sunday, October 18, 2009 at 7:55pm27 = 8k

Divide both sides of the equation by 8.

27/8 = k

3.375 = k

______________________________________

5a - 3a = 18

2a = 18

a = 9

_____________________________

Can you do the rest yourself? We'll be glad to check your answers.

- Math -
**jena**, Friday, September 30, 2011 at 7:42pm12r-4r=48r=

- Math -
**Brandon**, Tuesday, October 2, 2012 at 5:07pm5a-3a=18. What does a equal?

**Related Questions**

5th Grade math - To: bobpursley - how do you teach a 5th grader how to figure ...

5th grade math - I am desperately trying to help my 5th grader figure out how ...

Elementary Math - Find the missing numbers and landmarks for the set of numbers...

Social Studies - Curious to know if anyone has a suggestion on how to help 5th ...

Health/ Basic Clinical Procedures - please check mey answer thanks which of the ...

math - Make a model of a rectangular prism that is not a cube and has a surface ...

computers in day care - an encyclopedia on cd-rom would be most appropriste for ...

science - ________________, the way that most plants and animals reproduce ...

Advance Accounting - On January 1, 20X1, Parent Company acquired 80% of the ...

Math - If someone earns $960 interest over 4 year period on a $6,000 investment...