55% of 32 oz is 55% *OF* 32 (of technically means multiplication in math) so 55% * 32 55% is 0.55 in decimal form SO 0.55 * 32 = 17.6 now that is what the someone drank we need to find was is left 32 - 17.6 = 14.4 There is still 14.4 oz left of water in the glass
