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At 9:00 am the temperature started dropping 1°F per hour until it reached 84°F at 3:00 PM what was the temperature at 9 AM

At 900 am the temperature started dropping 1F per hour until it reached 84F at 300 PM what was the temperature at 9 AM class=

Respuesta :

The hours between 9 AM and 3 PM is 7 hours. It dropped 1 degree F each hour. That means it dropped 7 degrees in total.

84 + 7 = 91

91 degrees was the temperature at 9 AM.

Please give brainliest if I'm right. :)
The answer is 90 degrees Fahrenheit