quant. methods

posted by .

Kim is deciding between two cell phone plans. Plan A charges a fixed monthly fee of $100 for 1200 minutes and .25 per minute over 1200. Plan B charges a fixed monthly fee of $55 for 1000 minutes and .33 per minute over 1000. At what point of usage would Kim be indifferent between the two plans?

  • quant. methods -

    100 + .25 (x-1200) = 55 + .33(x-1000)

    Solve for x.

  • quant. methods -

    cant be

  • quant. methods -

    gotta be!

  • quant. methods -

    yes but how could it be 937.50 minutes when you will pay 100 or 55 dollars either way for 1200 or 1000 minutes. It would need to be over those minutes.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. geometry

    a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged $36 for the 24 minutes you talked( not including the $15 flat fee.) let …
  2. Algebra

    the phone company has two plans for cell phones. the first plan calls for a monthly fee of 35.00 with unlimited calling. The other plan is a monthly fee of 15.00, with a 0.50 fee for every minute over 100 used in a month. What is the …
  3. management science

    Kim Davis has decided to purchase a cellular phone, but she is unsure about which rate plan to select. The "regular" plan charges a fixed fee of $55 per month for 1,000 minutes of airtime plus $0.33 per minute for any time over 1,000 …
  4. Math

    A cell phone company offers two different plans. Plan A: Monthly fee of $28 30 free minutes $0.45 per additional minute   Plan B: Monthly fee of $40 No free mins $0.25 per additional minute Determine the time in the mins that results …
  5. math

    its about phones like att has a monthly fee of $39.99/mo and 450 anytime minutes which are included in the plan and any additional minutes are $0.45/min Sprint-has a monthly fee $34.99/mo and 450 anytime minutes which are included …
  6. math

    One phone plan charges a $20 monthly fee and $0.08 per minute on every phone call made. Another phone plan charges a $12 monthly fee and $0.12 per minute on each call. After how many minutes is the charge the same for both plans?
  7. Algebra 2

    Juan is comparing the cell phone plans shown in the advertisement. Plan A charges a $15 monthly fee plus $0.40 per min. Plan B charges a $30 monthly fee plus $0.25 per min. For what number of minutes of use do the plans cost the same?
  8. Math

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $14 monthly fee and charges an additional $0.20 for each minute of calls. The second plan has an $18 monthly fee and charges …
  9. Algebra

    A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $13 and then an additional 6 cents per minute of use. In Plan B, there is no monthly fee, but the customer pays 8 cents per minute of use. …
  10. math

    Raj is deciding between two cell phone plans, A and B, which are both linear functions. The monthly charge for plan A according to the number of minutes used is shown in the table. Monthly Charge for Plan A Minutes used, x Monthly …

More Similar Questions