Lerato have 1250ml of cooldrink and want to share it amongst his friends in cups with a capacity of 150ml. How many friends will lerato
Be able to share with ?

Step-by-step explanation:

1250ml ÷ 150ml, the answer will tell you how many cups can be filled with the amount of liquid given, so we divide. 1250ml ÷ 150ml = (roughly) 8.3, although we cannot fill 0.3 of a cup, so we round down to 8 cups, therefore 8 cups can fully be filled, meaning he can 8 friends.

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.