On a winter morning, the temperature before sunrise was -11°F. The temperature then rose by 1/2 degree each hour for 7 hours before dropping by 2 1/4 degree each hour for 3 hours. What was the temperature, in degree Fahrenheit after 10 hours?

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

step-by-step explanation:

if x = 2 you have to find x to finish the problem

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363