02-11-2016
Mathematics

contestada

the temperature was 78°f at 3pm. each hour for the next ғoυr hours, the temperature decreased by 3°f. what was the temperature at 7 pm?

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TooNashty TooNashty

02-11-2016

At 7 pm, the temperature was 66*F

Temp = 78 - 3x where x = number of hours
78 - 3(7-3)
78 - 12 = 66

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jeffbobcandy jeffbobcandy

02-11-2016

use x in an equation

x=66

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