You can use the change of base formula to get

and also

In general, the change of base formula is

Answer:
Company A is 1.99 times B.
Step-by-step explanation:
Company A charges:
Company B charges:
We just need to divide A by B:

Therefore, company A is 1.99 times B.
I hope it helps you!
1992- a gallon - 1.23dollars
yesterday - 2.19 dollars
2.19dollars - 1.23 dollars = 0.96 dollars
percentage increase is (0.96 / 1.23) x 100 = 78.0%
Answer:
3/12 = 0.25
Step-by-step explanation:
hope this helps