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23-02-2020
Mathematics

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If the temperature changed at a rate of -3 per hour,then after how many hours did the temperature reach -12

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23-02-2020

Answer:

If temperature is 0 then it takes 4 hours since 3 x 4 = 12 and 0 - 12 = -12

Whatever the temperature divide by three to get to 0 then add four to the quotient

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