Answer:
4
Step-by-step explanation:
The given fraction is

To clear the fraction, we need to multiply through by the LCM of the denominators.The denominators are 4, 2 and an invisible 1.
The LCM of {4,2,1} is 4.
We multiply through by 2 to obtain:

This simplifies to

The fraction is now eliminated. The required number is 4
10 * 0.20 = 2
20% of 10 is 2
Answer:
The composition is undefined.
Step-by-step explanation:
The output of f of 2 is -5 because -5 is not listed as the input in g of x the function is undefined.
We know that there was $5 left over, so we can set up an equation to solve for the price per water bottle:

Each water bottle cost $4.50
16.5
Add the data set together and then divide by 5, or how many numbers are in the data set