Find the cost of a chocolate bar and the cost of a pack

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8. The sum of two numbers is 33.  Their difference is 9.  What are the two numbers?

9. Solve the following system of linear inequalities by graphing.

x – 3y > 6

3x + 2y > 12

10. Solve the following system of linear inequalities by graphing.

3x – y < 2

x + y > 2

11. Sally bought three chocolate bars and a pack of gum and paid $1.75.  Jake bought two chocolate bars and four packs of gum and paid $2.00.  Find the cost of a chocolate bar and the cost of a pack of gum.

12. Solve the system by addition.

–5x + 2y = 10

   x – 3y = 11

Reference no: EM13535651

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