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The temperature in Juno, Alaska was 5 degrees at 7am. The temperature dropped 15 degrees every hour for 3 hours. What was the temperature at 10am?

Respuesta :

Answer:   -40 degrees

Work Shown:

7 AM, temp = 5

8 AM, temp = -10

9 AM, temp = -25

10 AM, temp = -40

Shortcut: 5 - 3*15 = 5 - 45 = -40

I recommend drawing a vertical number line to see what's going on.

Side note: -40 degrees Celsius = -40 degrees Fahrenheit

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