Please help! On Mathswatch, if you go into ‘interactive questions’, and onto Clip 22 - Money Questions - Calculator, there is a question I’m very confused on:

Harder Questions, Question 5. Complete the Bank Statement.

I really don’t understand how to answer this!

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x