If m is the number of minutes over 450, then
att = 39.99 + 0.45m
sprint = 34.99 + .50m
Since att charges less per minute, at some point, it will become the better plan. To find out when that is, we want
39.99 + .45m < 34.99 + .50m
Now just solve that for m.
What did you come up with for the answer to the QUESTION?
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 in the plan and any additional minutes are $0.50/min
you will then built a sysstem of linear equations for the two plans and use any of the methods we have been studying to determine which plan is better based on the number of anytime minutes used per month
QUESTION-a cell phone plan consists of a fixed cost and a variable cost.write a linear equations that gives the total cost of each plan,c,for the mount of anytime minutes ,m,that are used
1 answer
3 answers