Answer:
The first one
Step-by-step explanation:
Answer:

Step-by-step explanation:

By using logarithms it becomes easier to solve this question because of the properties they have
From the property of logarithms

Take logarithms on both sides





Answer:
Step-by-step explanation:
a/b=4/5 b/c=2/9
Ration of a to c is
a/c=4/9
A cubic yard is equal to 27 cubic feet.
And one cubic yard is 2 tons.