represents the number of red, green...

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he system of equations:

 

2x+2y-z=13

4x-y=7

7y-4y=11

 

represents the number of red, green, and blue cubes you will need to help your younger sister practice her addition and subtraction. Use x as the number of red cubes, y as the number of green cubes, and z as the number of blue cubes. What is the number of each color of cubes you will need to gather to help your sister?

 

A) 3 red, 5 green, and 3 blue

 

B) 4 red, 9 green, and 13 blue

    • 9 years ago
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