A punch recipe calls for half gallon (64 oz) of punch requires one pint (16 oz) of grape juice. How many quarts (1 qt = 32 oz) of grape juice are required for 2 1/2 gallons of punch?

Answer 1

http://www.jiskha.com/display.cgi?id=1391138871

Answer 2

64 punch 64*5 punch
------- = ----------
16 grape x oz grape

x = 5*16 = 80 oz grape

80 oz * 1 quart/32 oz = 2.5 quarts

Answer 3

Or just figure out it is one quart per gallon in the first place :)