Mathematics, 08.12.2020 22:50, gisellekarime

7. Balloon sales start to increase after your little prank. A local party supply company notices that their maximum profit is reached when they sell 80 balloons and they earn $60 of profit. When they sell 50 balloons they earn $33 of profit. Write a quadratic equation in vertex form to represent their profit. (10 points)

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7. Balloon sales start to increase after your little prank. A local party supply company notices tha...