Question

At 7:00 a.m. the temperature was -4°F.At 9:00 a.m. it was 8 degrees warmer .what was the temperature at 9:00 a.m.

Answer 1

The temperature was +4°F.

Explanation:

The temperature got warmer by 8°F (or two sets of 4°F).

-4°F warming up to 0°F is the first set of 4°F. The second set of 4°F takes it from 0°F to +4°F.