The temperature at 6:00 am is 50 degrees fahrenheit and the temperature increases 2 degrees every hour until 6:00 pm. What is the temperature at 6:00 pm?
well, after h hours, the temperature is
50 + 2x
so, how many hours from 6:00 am to 6:00 pm?
50 + 2x
so, how many hours from 6:00 am to 6:00 pm?