It would help if you proofread your questions before you posted them, e.g., Mathematics, then, two hours? It would make it easier for us to help you.
21 - 3 = ?
If it was 3 degrees colder each hour, then 21 - (2*3) = ?
At night the temperature was 21 degrees celsius to our later it was 3 degree colder what was the temperature than
1 answer