Question

The temperature at 2 pm was 22 degree above zero. If it decreased at the rate of 3 degree per hour until mid night , at what time would the temperature be 2 degree below zero

Answer 1

Answer:

At 11 o'clock.

You have to Go through 22 degrees in all.

Rate of Dropping of temperature =2 degrees/ hour

Hence to Come to to 22 degrees You need 22/2= 11 hours.

Starting from 12 noon.

12+11=23hrs. i.e. @ 11 pm

Answer 2

Answer:

Step-by-step explanation: