Use factor labeling conversion: You cancel units which tells you where to put factors that will do the conversion my multiplication:
gal/min *(qt./gal)(min/s) = qt/s Putting in the conversion factors so that numerator and denominators are equal:
4 qts = 1 gal and 60 s = 1 min
7gal/min(4 qt/gal)(1min/60s) = .457 qt/s
Please consider a tutor. Take care.

Peter R.
09/08/22
Sri P.
thanks!09/08/22