Question

The temperature at 12 noon was 20 oC above zero. If it decreases at the rate of 3 oC per hour till midnight (12 am), at what time would the temperature be 10 °C below zero? Write the temperature.

Answer 1

Answer:

Temp at noon - 20°c

If it decreases by 3°c per hour then,

at midnight, ie; 12 hours later the temp would be,

20 - (12 * 3) ie;

20 - 36 = -16

The temp would have been 10°c below zero or -10°c 2 hours before midnight ie; 10:00

MARK BRAINLIEST