144 172 was ture -air of ff he can answers on a sheet of paper. Show your work. 22. Chandra plans to order CDs from an Internet shopping site. She finds that the CD prices are the same at three different sites, but that the shipping costs vary. The shipping costs include a fee per order, plus an additional fee for each item in the order, as shown in the table below. (Lesson 3-6) Shipping Cost Company Per Per Order Item CDBargains $4.00 $1.00 WebShopper $6.00 $3.00 EverythingStore $2.50 $1.50 ens pen ds Cot vn a. For each company, write an equation that represents the shipping cost. In each of your three equations, use S to represent the shipping cost and n to represent the number of items purchased. b. If Chandra orders 2 CDs, which company will charge the least for shipping? Use the equations you wrote and show your work. c. If Chandra orders 10 CDs, which company will charge the least for shipping? Use the equations you wrote and show your work. d. For what number of CDs do both CDBargains and EverythingStore charge the same amount for shipping and handling costs