30 of the $3 tickets were sold
70 of the $2 tickets were sold.
(3*30) + (2*70) = 230
Answer:
B.
• x+2y=-6
• x-2y=-6
Step-by-step explanation:
Try the solution in the equations and choose the set of equations that is true.
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A. -6+0 ≠ 0 . . . not this system
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B. -6 +2·0 = -6 . . . true
-6 -2·0 = -6 . . . true . . . . . this system has solution (-6, 0)
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C. -6 -6·0 ≠ 1 . . . not this system
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D. 4(-6)+3·0 ≠ -18 . . . not this system
Answer: Proportional
Step-by-step explanation: 8 goes into 36, 2 goes into 24, and 5 goes into 10
