Question

acme phone company charges $21 a month plus 0.05 a minute .belltone phone charges $15 a month plus 0.11 a minute. write and solve an equation to determine how many minutes a month you must use for cost of using either company to be equal

Answer 1

Acme: .05x + $21. Belltone: .11x + $15

.05x + $21 = .11x + $15

(-.06x = -6)100

6x = 600

x = 100 minutes