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13 November, 10:10

The daytime temperature in Apple Valley is falling by 2.5 degrees each day. What will the net change in the daily temperature be after one calendar week? A. - 2.5 degrees B. 2.5 degrees C. - 4.5 degrees D. - 17.5 degrees E. 17.5 degrees

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  1. 13 November, 13:26
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    Option D - 17.5 degrees is correct answer

    Step-by-step explanation:

    Since a calendar week has 7 days. and temperature is falling by - 2.5 daily.

    So, On Day 1 Temperature is - 2.5 degrees

    On Day 2 Temperature is - 2.5 + - 2.5 = - 5 degrees

    On Day 3 Temperature is = - 5 + - 2.5 = - 7.5 degrees

    On Day 4 Temperature is = - 7.5 + - 2.5 = - 10 degrees

    On Day 5 Temperature is = - 10 + - 2.5 = - 12.5 degrees

    On Day 6 Temperature is = - 12.5 + - 2.5 = - 15 degrees

    On Day 7 Temperature is = - 15 + - 2.5 = - 17.5 degrees

    So, Option D - 17.5 degrees is correct answer.
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