Question

When Riley woke up the temperature was -3°F.

By lunchtime, the temperature rose 15 degrees.
What was the temperature at lunchtime? Write
your answer as an integer.

Answer 1

by lunchtime the temperature was 12 degrees F, if thats a integer for you then thats your answer

Explanation:

(-3) + 15=12

since 3 is below zero 15 has to give 3 to make it go to zero and 12 to make it past zero