Answer:
See explanation
Step-by-step explanation:
Use formula

Substitute it into the first fraction:

Consider the whole expression:

Done!
Answer:
20 - 19.67 = .33
Step-by-step explanation:
33 cents
It’s 2 my work is in the picture
You have to analyze the problem, to find out what is the dependent variable, which is y. Also, what unit is the independent variable which is x.