Question

10 points)
Score

2. Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40.
a. Define a variable for the unknown.
b. Write an equation to model the problem.
c. Solve the equation. Show your work.
d. Find the number of minutes that Allegra went over the time that the plan allows

Answer 1

m= minutes over allowed

billedamount=65+.1m

Answer 2

A cell phone company offers a basic monthly plan that charges $20 for the first 60 minutes and $0.05 per additional minute. If you budgeted $60 to spend on your cell phone bill for the month, how many minutes can you use?