A company produces fruity drinks that contain a percentage of real fruit juice. Drink A contains 20% real fruit juice and Drink B contains 5% real fruit juice. The company used 56.5 litres of real fruit juice to make 80 more litres of Drink B than of Drink A. Write a system of equations that could be used to determine the number of litres of Drink A made and the number of litres Drink B made. Define the variables that you can use to write the system.

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

where r the answers

step-by-step explanation:

d is the answer

step-by-step explanation:

answer is c

step-by-step explanation:

81/12=324/x

x=48