There's more than one way to do this problem.
Try this: Mult. both 109 and 5 by 2, obtaining 218 and 10.
What is 218 div. by 10? Do this in your head.
\left[y \right] = \left[ 0\right][y]=[0] I hope helping with u
Im guessing you can make a ratio out of this, 20/2.5=x/1, 20=2.5x, x=8, so there was a degree change of 8 in one hour
Step-by-step explanation:
from above figure calculate from the calculator and the right answer will be .....