Kimberly Young owns Crane, an educational tutoring center in Greenville, South Carolina. The center offers private tutoring in math, writing, and science. Information about the tutoring sessions is as follows: Math Writing Science Session price $30 $52 $25 Variable labor costs 18 35 11 Variable supplies cost 3 2 1 Session length 60 minutes 120 minutes minutes Number of sessions demanded per week 180 260 120 Since the company opened five years ago, demand has grown faster than the supply of qualified tutors. Kimberly currently has enough tutors to provide only 420 hours of tutoring each week. (a1) Calculate the total number of hours demanded per week. (Round answers to O decimal places, e.g. 5,275.) Hours needed Math Writing Science Total eTextbook and Media Save for Later Attempts: 0 of 3 used Submit