Question

The temperature at noon at a certain place
was 12° above zero. If it decreases at
the rate of 20 per hour until midnight,
at what time would it be loo below.
zero?​

Answer 1

Step-by-step explanation:

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

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Answer 2

Answer:

hello siso

Step-by-step explanation:

HELLO FRIENDS