Carmen is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A charges an initial fee of $70 and an additional 10 cents for every mile driven. Company B charges an initial fee of $45 and an additional 60 cents for every mile driven. For what mileages will Company A charge no more than Company B? Write your answer as an inequality, using m for the number of miles driven.