Posted by **pam** on Sunday, February 24, 2008 at 2:27pm.

Story Problem

Some friends are recording songs on a CD. The first 1/5 of the CD has Alex's songs.The next 12 minutes of songs are Henrique's. 1/3 of the time is Brian's songs. Sally has 32 minuites. How many minutes of music are there in all?

- pre-algebra..7th grade -
**Quidditch**, Sunday, February 24, 2008 at 3:28pm
If we add up everybody's time, we should get the total time of the CD.

Let M represent the total time of the CD. Everything will be in minutes.

M= (1/5)*M + 12 + (1/3)*M + 32

Combining terms...

(1 - 1/5 - 1/3)*M=44

Solve for M

- pre-algebra..7th grade -
**Ryan**, Monday, August 25, 2008 at 10:46pm
the quotient of eight and twice a number

- pre-algebra..8th grade -
**caleb causey**, Thursday, September 11, 2008 at 5:54pm
I need help withrational numbers

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