12h + 30w.....where h = hrs worked and w = wagons sold
so if an employee works 6 hrs and sells 3 wagons....then h = 6 and w = 3
12h + 30w
12(6) + 30(3) =
72 + 90 = $ 162 <==
8=384 9=248 hope this helped
D. 21cm because you divide all sides by 2 then get your slope form and multiply by seven