Problema Solution

plan a cost $16 plus 0.12cents a minute

plan b cost 0.16 cents a minute

how many minutes of calls will the two plans be equal?

Answer provided by our tutors

x = number of minutes

Plan A:

16+0.12x

Plan B:

0.16x

 

0.16x = 16 + 0.12x

0.04x = 16

x=400 minutes of calls