one cell phone company charges $0.10 per minute with no activation fee. Another cell phone service charges $0.05 per minute…

one cell phone company charges $0.10 per minute with no activation fee. Another cell phone service charges $0.05 per minute…

one cell phone company charges $0.10 per minute with no activation fee. Another cell phone service charges $0.05 per minute with a $20 activation fee. Find the number of minutes for which the two cell phone services charge the same amount.