Answer to the previous question was D. A coach scheduled x short training sessions and y long training sessions for a weekend clinic. The total time scheduled is 30 hours. The equation 4x + 6y = 180 represents this situation, where the number 180 is the total time scheduled measured in the same unit as the 4 and 6. How many more minutes does each long session last than each short session?

Answer to previous day was C.