At his new job, Alphonse is asked to evaluate two filling machines. Filling machine X fills a grain silo at a constant rate of 7.5 tons per hour. Filling machine Y fills a grain silo at a constant rate, according to the equation m = 6.3t, where m is the amount of grain, in tons, that have been put into a silo after a certain amount of time, t, given in hours. What is the rate, in tons per hour, of the faster machine?

Question