Eric sells movie tickets. Adult tickets cost $8 and children's tickets cost $5. He keeps 15% of his sales. Which expression repr
1 answer:
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Since the big triangle is an isosceles one, we conclude that the angles of the left triangle are: 32, 90 and 3x-10. Sinche the sum of this angles have to be 180° we have:
Solving for x, we have:
Therefore, x=22.67 and the answer is A.