The temperature at 1:00 P.M was 35 degrees. The temperature changes -4 degrees per hour.how long will it take to reach -1 degrees?

Relax

Respuesta :

35 - 4h = -1
-4h = -1 - 35
-4h = -36
h = -36/-4
h = 9 <=== it will take 9 hrs