She can run 20.5/2.5 equaling 8.2mph
B finished in second place because it is the second greatest number, and C finished in 5th because it is the 5th greatest number
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:
1222
Step-by-step explanation:
sorry youve been waiting a minute
The LCD of 3 and 4 is 12. To make 4 into 12, we multiply it by three, so 3 would also have to be multiply by 3, turning 3/4 into 9/12.
The same thing applies to 1/3, only it needs to be multiplied by 4. So it would become 4/12
9/12 - 4/12 = 5/12