1quart=2pints=4cups 300people=300cups 300cups=xquarts 4 cups =1 quart 300/4=75 300cups=75quarts 75 quarts needed 1gallon=4quarts 75/4=18.75gallons or 37.5 times of their recepie
answer is 18.75 gallons or 75 quarts or 37.5 times of their original recipe<span />