math
posted by Lilly .
20 fl oz/min = ____ qt/day

recall these conversions:
1 qt = 32 fl oz
1 day = 24 hours = 24*60 minutes
using dimensional analysis to cancel units:
(20 oz)*(1 qt/32 oz) = 20/32 = 5/8 qt
(1/1 min)*(24*60 min/1 day) = 24*60/day
now multiply them (units in qt/day):
(5/8)*(24*60) = ?
hope this helps.