First question : jill and erika make 4 gallons if lemonade for their lemonade stand. how many quarts will they be able to sell? if they charge $2.50 per quart, how much money will they make if they sell it all? second question : dairon needs 20 pieces of string 7/8 inch in length. he cut a 4 7/8 inch piece of string into pieces that are 7/8 of an inch long each. how many more pieces of string does he need?

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.

idk i would have to be there to under stand it

step-by-step explanation:

idk i would have to be there to under stand it