Ali is choosing between two exercise routines. In Routine #1, he burns 25 calories walking. He then runs at a rate that burns10.5 calories per minute. In Routine #2, he burns 48 calories walking. He then runs at a rate that burns 4.75 calories per minute. For what amounts of time spent running will Routine #1 burn at most as many calories as Routine #2? Use for the number of minutes spent running, and solve your inequality for .