Saturday

December 20, 2014

December 20, 2014

Posted by **Liam** on Tuesday, November 17, 2009 at 9:52am.

A music store is selling compact discs for $11.50 and $7.50. You buy 12 discs and spend a total of $106. How many compact discs that cost $11.50 did you buy?

- Math -
**drwls**, Tuesday, November 17, 2009 at 10:03amAre you learning algebra? Both of these questions are of the same type: two equations in two unknowns.

In the first problem, let S be the number of student tickets and G be the number of General Admisison tickets.

S = 450 - G

4(450-G) + 6G = 2340

2G = 2340 - 1800 = 540

G = 270

S = 450 - G = 180

Do the other one the same way.

**Answer this Question**

**Related Questions**

math - how do u solve the follow question? you are selling tickets to a football...

algebra 2 - You are selling tickets for the homecoming football game. Student ...

Math HELP!!! - The booster club sold tickets to a high school basketball game. ...

math - each member of the committee has agreed to sell 50 tickets to the fair. ...

math - the students are selling tickets to the school fair. all tickets cost the...

Math - The drama club raised a total of $1,123.50 selling tickets to its ...

math - a school's chorus bought 30 tickets to a play. total cost of tickets $98...

algebra 1 - A charity fair raised $6,000 by selling 500 lottery tickets. There ...

math - student tickets to the school musical cost $3 each. All other tickets ...

math - student tickets to the school musical cost $3 each. All other tickets ...