Question

9. The temperature at 1:00 p.m. was 10 °C above
zero. If it decreases at the rate of 2 °C pei
hour until 10 p.m., at what time would the
temperature be 6 °C below zero?​

Answer 1

Step-by-step explanation:

Assume after h hours temperature goes -6°.

now

10-2h=-6

or 2h=16

or h=8 hours

so time will be 1+8=9pm