Pete’s electric charges $75 plus $30 per hour of work while greg’s electric charges $45 plus $45 per hour. how many hours must each electrician work for them to charge the same amount?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.