Question

In speech class, you lose 3 points for every 30 seconds you go over the time limit. Your speech is 90 seconds over the time limit. What integer represents the change in your points?

Answer 1

Answer:

-9

Step-by-step explanation:

Seconds         Change in Points

30                             - 3

90                             x

∴ 30x = 90 * - 3

∴ x = 90 * -3 / 30

∴ x = -9

∴ Change in points is by -9.

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