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7 August, 18:17

At 5 P. M., the total snowfall is 2 centimeters. At 9 P. M., the total snowfall is 12 centimeters. What is the mean hourly snowfall? Write your answer in simplest form as a fraction or mixed number.

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  1. 7 August, 20:29
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    The mean hourly snowfall is 2.5 centimeters

    Step-by-step explanation:

    The mean hourly snowfall is the number of centimeters that fell during the period divided by the number of hours.

    From 5 P. M. to 9 P. M., there are 4 hours

    At 5 P. M., the total snowfall is 2 centimeters.

    At 9 P. M., the total snowfall is 12 centimeters.

    So in those four hours, the depth of snow increases 12-2 = 10 centimeters

    10/4 = 2.5

    The mean hourly snowfall is 2.5 centimeters
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