An internet company charges a one-time setup fee of $44.99 and a monthly fee of $29.99 for Internet service. The company is offering a 25% discount on the monthly fee for the first year.

Part A:Write an expression to determine the cost, after the discount and before tax, of m months of service during the first year. (remember that an expression is just like an inequality except there is equal sign than a less than or greater than sign and plz show work)

Part B:An 8% sales tax is added to the total cost. Rewrite the expression in Part A to include the sales tax.

Part C:What is the total amount a customer will pay, to the nearest cent, including tax, for the first 4 months of Internet service with the Internet company? (try to explain a little for these questions if u can)



Answer :

Part A: [tex]x=22.49m+49.99[/tex]

Part B: 
[tex]x=1.08(22.49m+49.99)[/tex]

Part C: [tex]x=1.08(22.49(4)+49.99)[/tex]
[tex]x=1.08(89.96+49.99)[/tex]
[tex]x=1.08(139.95)[/tex]
[tex]x=$151.15[/tex]

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