Archie bought a car from a dealer. The dealer sold the car for $7040.
Archie paid a deposit of $1760.

a) Archie took a loan agreement to repay the outstanding balance of $5280. He paid $212.67 per month for 36 months.
Calculate:
i) The amount of interest that he paid
ii) The rate of simple interest per year that had been charged

b) When the dealer sold the car, he made a profit of 30%. Calculate the profit, correct to the nearest dollar, that the dealer made.

true? is that what you're asking or do you mean something else?

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.

sina-sinb

cosb+cosa

tana-tanb

cos0+cos x pi/3

20tan

step-by-step explanation: