Company A charges $25 per month plus $0.22 per minute for cell phone service. Company B charges $35 per month. How many minutes of usage is needed in one month to make Company B a better deal?

X- Number of minutes

A = 25 + 0.22x

B = 35

For making company B a better dealer :

35 < 25 + 0.22x

0.22x > 10

x > 10/0.22

x > 45.45 minutes

45 minutes and 27.5 seconds of usage is required to make Company B better