I believe the answer is 5 because if however many times you can multiply 2.5 into 12.5, you get the answer of 5.
The answer is b I hope this helps
Hi! The temperature would be 18°.
There was a 4 hour period between 5 and 9 a.m.
So, I just took -10, and added 7 four times.
-10 + 7 + 7 + 7 + 7 = 18
Hope this helps you! Happy thanksgiving, here's a turkey!