Tuesday

July 22, 2014

July 22, 2014

Posted by **Sanji** on Wednesday, November 21, 2012 at 11:19am.

- Maths -
**Steve**, Wednesday, November 21, 2012 at 11:25amjust add up the costs:

50x + 40(x-3) = 600

50x + 40x - 120 = 600

90x = 720

x = 8

- Maths -
**Ms. Sue**, Wednesday, November 21, 2012 at 11:28am0.5x + 0.4(x-3) = 6

0.5x + 0.4x - 1.2 = 6

0.9x = 7.2

x = 8

**Related Questions**

5th grade Math - Dr. Gallo's waiting room has a total of 18 magazines, including...

5th grade Math - Dr. Gallo's waiting room has a total of 18 magazines, including...

math - On August 13, the Bryer family received 23 pieces of mail, consisting of ...

Economics - Suppose the market for the magazine is in equilibrium. Some students...

math - how many ways can 3 magazines and 2 newspapers be chosen from 6 magazines...

Math - 5 books and 9 magazines cost $150.50 dollars altogether. 9 Books and 5 ...

Math/Algebra - At Gwen's garage sale, all books were one price, and all ...

Economics/Math - MC=40P MR=1000-10P Solve for P 40P=1000-10P= 50P=1000 P=20 ???

Math - 5 books and 9 magazines cost $150.50 altogether. 9 books and 5 magazines ...

Economics - Suppose the market for the magazine is in equilibrium. Some students...