1

7

5

3

12

2

4

8

6

9

11

10

1.

-5x = - 2y + 56    x = - 3y - 1

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(-10, 3)

2.

3x - 5y = -70 -4x + 15y = 160

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(-10, 8)

3.

y = 4x - 9 y = x -3

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(2, -1)

4. Reggie's school is selling tickets to the annual church dinner. On the first day of ticket sales the church sold 3 adult tickets and 5 child tickets for a total of $70. The church took in $216 on the second day by selling 12 senior citizen tickets and 12 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.

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(8, 10)

5.

-4x = - 5y + 18    x = - y + 9

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(3, 6)

6.

2x + 18y = 22+ -x - 9y = -11

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Infinite Solution

7.

y = -3x + 4 y = 3x - 2

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(1, 1)

8. Kayde and Denise are selling cookie dough for a BETA club fundraiser. Kayde sold 8 packages of chocolate chip cookie dough and 12 packages of gingerbread cookie dough for a total of $364. Denise sold 1 package of chocolate chip cookie dough and 4 packages of gingerbread cookie dough for a total of $93. Find the cost of one package of chocolate chip cookie dough and one package of gingerbread cookie dough. Home

(17, 19)

9.

2x + 5y = 20  + x + 5y = 10

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(10, 0)

10.

-2x -2y = 6 + 10x + 10y = -30

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(Infinite Solutions)

11.

y = 2 – 4x y = x - 3

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(1, -2)

12.

Ms. Miller spent $131 on shirts. Dress shirts cost $28 and graphic t’s cost $15. If she bought a total of 7 shirts then how many of dress shirts and how many graphic t’s did she buy? Home

(2, 5)