joshuaGelin joshuaGelin

02-11-2020
Mathematics

contestada

on a cold January day, Kiara noticed that the temperature dropped 21 degrees over the course of the day -9°C write and solve an equation to determine what the temperature was at the beginning of the day.

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gardnerdanj gardnerdanj

03-11-2020

Answer:

The temp started at 12.

Step-by-step explanation:

The temp dropped 21 degrees to -9.

Let t be the old temp.

-9 = t - 21

t = 12

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