Working together shawn and hector can instal a tile floor in 6 hours. it would take shawn 9 hours to do the job alone. what is the value of r, the part of the tile that hector could install in 1 hour? a. 1/18 b. 1/9 c. 1/3 d. 2/3

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?