You go to Verizon to buy a new Iphone. You expect to pay $800 for a...

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You go to Verizon to buy a new Iphone. You expect to pay $800for a new phone and $70 a month. But this is not the onlyoption.
Option 1: Pay $800 for the phone and $70 a month. Option 2:Pay $200 for the phone and $90 a month.

Clearly if you stay on this plan for only a short time option2 is cheaper. you stay on the plan long enough, option 1 ischeaper. In order to help you chose which option to take, youdecide to compute the number of months when both options cost thesame total amount. On month zero option 1 costs $800, on month oneit costs $870,...Starting with y=mx+b, write the system ofequations:

a) Equation for option 1:
Equation for option 2:

b) Solve the system of equations

c) Demonstrate that there is only one solution to the systemof equations.

Answer & Explanation Solved by verified expert

4.0 Ratings (737 Votes)

Let the equation be ymxc where ycost of iphone after x months of purchasein xthe number of months after the purchase cInitial cost in mcost per month in a Option 1 Option 2 The See Answer

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