I think it's true because its the same data set just put in order backwards.
Hope this helps!! :-)
Answer:

Step-by-step explanation:

Formula used =

Answer: -4
Step-by-step explanation:
You would pay 80% of the original price because 1/5 is 20% and you would subtract 20 from 100 to get 80 as your answer
Hope this Helps :3
Https://www.algebra.com/cgi-bin/plot-formula.mpl?expression=highlight%28x%3C=45%29