Tuesday

October 21, 2014

October 21, 2014

Posted by **Vic** on Friday, January 6, 2012 at 12:49am.

- math -
**Reiny**, Friday, January 6, 2012 at 9:48amlength of class change --- x

length of each class--- y

but y = 6x - 6

3x + 2y = 120

3x + 2(6x-6) = 120

3x + 12x - 12 = 120

15x = 132

x = 8.8

y = 46.8

**Answer this Question**

**Related Questions**

algebra - how do I help my son answer this question/ cary spent 1/3 of his class...

Math - A student goes through seven class periods in school. Each period lasts ...

math - suppose you want to take a karate class. the first class is january 16th...

math - every math class at super fun time high school has 31 students and every ...

math - •You and three (3) of your friends were in the same advance placement ...

Math - Spent 6 hrs at school, spent 2/3 of an hour at lunch, 2/3 of an hour at ...

high school (math) - Match the mathematical expression with its translation. 1. ...

math - Three students, Chris, Vlad, and Steve, are registered for the same class...

english - can you please improve these two sentences. im tryingtosay like the ...

strayer - You and three (3) of your friends were in the same advance placement ...