Mrs.Watanabe is choosing a cell phone plan.One plan costs $35 a month and includes 450 minutes.The charge for each minute over 450 is $0.16.The company also offers an unlimited calling plan with a $55 monthly charge.At how many minutes would the cost of the two plans be the same

Question

Quizplus · Accepted Answer

To find the point where the costs are the same, set up an equation where the cost of the first plan equals the cost of the second plan: $35 + $0.16(x - 450) = $55, where x is the number of minutes. Solving for x gives 575 minutes.

MrsWatanabe Is Choosing a Cell Phone Plan