The temperature 38

The temperature has been dropping 2 degrees every hour, and the temperature at 10:00 AM was -15 degrees Fahrenheit. At what time was the temperature 0 degrees Fahrenheit?


t0 = 2:30 hh:mm Wrong answer

Step-by-step explanation:

T=a t+b=(2) t+5=0  a=2 °F/h  15=a 10.00+b 15=(2) 10.00+b  b=5  b=15=5  b=5  T(t) = 2 t+5  0=a t0+b 0=(2) t0+5  2t0=5  t0=25=2.5  t0=25=2.5=2:30 hh:mm

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