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January 30, 2015

January 30, 2015

Posted by **Kiana** on Monday, September 27, 2010 at 4:41pm.

- 4th grade -
**Ms. Sue**, Monday, September 27, 2010 at 4:48pm40 - 12 = 28

28/2 = $14 cost of shirt

14 + 12 = $26 cost of sweater

- 4th grade -
**Jen**, Monday, September 27, 2010 at 6:15pmx + y = 40

x = y + 12

Use substitution to plug the second equation into the first.

y + y + 12 = 40

2y + 12 = 40

2y = 28

y= 14

Plug y = 14 back into either top equation, x = 26

- 4th grade -
**mimi**, Friday, October 15, 2010 at 1:37amtwo eqtns....X+12=Y;AND X+Y=40......fromX+12=y thenX+X+12=40;2X+12=40 THEREFORE X=14....IF X=14 AND X+Y=40,THEN Y=26ANS...26DOLLARS FOR SWEATER.

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