P is the total amount of dollars that Keith will make, while h is the number of hours he will work for. If you multiply the number of hours he works for and how much he makes in an hour which is 8. You will get the total amount.
25m. = 27.3403yd. of floss in the package. 27.3403yd. = 984.2508in. of floss. If a hygenist uses 18in. of floss for each patient, 18 / 984.2508 = 54.6806 patients. Hope this helps.
