$35,000 times 20% you figure that out you get $7,000 so the core value of the car $35k-7,000 after four years is 7,000 is the value after four years
Maybe put them in order so I could possibly answer
Expression A: S= 100+ 100(0.15y) y=Commission
Expression B: S= 150+ 150(0.10y)
Now to get Part B done. Plug in numbers for Y and use the results as the sales continue to increases. For example, start with 5 sales, then go to 10 then 15, and so on and so fourth. Hope I was able help you understand the question a little bit more! :)
100p = £1
so
so you multiply T by 100 to get the value in pence
100T = £T