166k views
3 votes
a cell phone company charges one $20 for the phone and then $35 a month for phone service another cell phone company charges 55 a month for phone service with a free phone after how many months will the phone services cost the same ​

User Layna
by
6.4k points

1 Answer

12 votes
After 1 month

20 + 35x = 0 + 55x
User Doug Clutter
by
7.3k points