3.4 quarts of white
If you have 8.5 quarts of blue paint , and you want to use it all in this mixture, Then you know that 8.5 quart is the five parts of blue in this formula.
8.5 quarts divided by 5 equals 1.7 quarts so 1.7 quarts is your base unit or one part
1.7 quarts * 5=8.5 quarts (BLUE)
1.7 quarts *2=3.4 quarts (WHITE)
HOPE THIS HELPS (: