The temperature at 10:00 am is -5.5°C, since the temperature at 12:00 am midnight, was 12°C and the temperature dropped by 1.75°C every hour.
The temperature at midnight is 12°C
The temperature is dropped by 1.75°C every hour.
We need to find the temperature at 10:00 am when the temperature is dropped by 1.75°C every hour from midnight temperature at 12°C.
The midnight is considered to be 12:00 am.
From 12:am midnight to 10:00 am we have 10 hours.
So,
Temperature drop in an hour = 1.75°C
1 hour = 1.75°C
Multiplying 10 on both sides.
10 x 1 hour = 1.75°C x 10
10 hours = 17.5°C
We see that,
The temperature drop in 10 hours is 17.5°C.
The temperature at midnight 12:00 am = 12°C
The temperature at 10:00 am = 12°C - 17.5°C
= -5.5°C
If the temperature at 12:00 am is 12°C where every hour the temperature drops by 1.75°C then the temperature at 10:00 am will be -5.5°C since there is a ten hours difference between 12:00 am to 10:00 am.
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