If four ounces of orange juice contain 50 calories, how many ounces of orange juice will have 175 calories?

175 calories. is obtained by 14 ounces of orange juice.

Step-by-step explanation:

Given :    four ounces of orange juice contain 50 calories

We have to find how many ounces of orange juice will have 175 calories.

UNITARY METHOD is a method in which we first find the value of a single unit and then multiply it with desired quantity.

Consider the given statement

four ounces of orange juice contain 50 calories

Apply unitary method ,

50 calories is obtained by 4 ounces of orange juice

1 calorie is obtained by ounces of orange juice.

Thus, 175 calories. is obtained by ounces of orange juice.

Simplify  , we have,

175 calories. is obtained by 14 ounces of orange juice.

Thus,  175 calories. is obtained by 14 ounces of orange juice.

if x decreases by 4 then y increases by 10

step-by-step explanation:

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.