The linear combination method is applied to a system of equations as shown.

4 (.25x +.5y = 3.75) → x + 2y = 15

(4x - 8y = 12) → x - 2y = 3

2x = 18

What is the solution of the system of equations?

(1,2)

(3,9)

(5,5)

(9,3)

What is 75 percent of 280

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