You must simplify it to find the answer. You get 2 over 1 which equals just 2.
x=15 and i have to write some more for 20 letters
Answer:
OR 
Step-by-step explanation:
So first you find the difference between the new cost and the old cost:
450 - 370 = 80
So the increase was 80.
When you write it as a fraction you write the increase ( 80 ) over the starting cost ( 370 ).
Thus the answer becomes 
But you can always reduce it to its lowest terms thus:

HOPE THIS HELPED
You are right i tried it and i got it right
Answer:
0.00833333333 I looked it up :3