Bobby knows that the perimeter of the original rectangle is 120 meters. he also knows that the perimeter of the reduced rectangle is 30 meters and the reduced length is 9 meters. not drawn to scale what is the width of the original rectangle?

Width of the original rectangle is meters

Step-by-step explanation:

Perimeter of reduced rectangle meters

Reduced length meters

Reduced perimeter is equal to

The factor of reduction of perimeter of original rectangle

Width of reduced rectangle will be equal to the width of original rectangle

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.