Question

At 9 a.m. temperature of the laboratory is 120. For the process the temperature of the laboratory decreases by 30 after every hour. At what point of time the temperature will be −150. Also calculate the temperature at 8 p.m. if it decreases with same ratio?

Answer 1

Answer:

At 6 p.m. the temperature will be -150°. At 8 p.m. the temperature will be -210°. Mark ans. as braillest answer