Question

The temperature at 12 noon was 10هC above zero If it decreases at the rate of 2هC per hour until midnight,at what time would the temperature be 8هC below zero?What would be the temperature at midnight?

Answer 1

Answer:

10÷2= 5

the temperture will be upto 0 C at 5pm

8÷2= 4

the temperture will be -8.C at 9 pm

-8-(3x2)

= -8--6

=-14.C at 12 midnight