Sam is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.
Company A charges an initial fee of $ 20 and an additional 60 cents for every mile driven.
Company B charges an initial fee of $47.50 and an additional 10 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.
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