Which correctly explains how to estimate 55 percent of 64 round 55 percent to 40% and 64 to 60 think of 40% as 1/4 so 1/4 of 60 is 15 or around 55% to 60% and 64 to 70 of 60% as 1/3 so 1/3 of 60 is 23.3 or round 55% to 50% and 64 to 70 think of 50% as 1/5 so 1/5 of 60 is 12 or round 55 percent and 64 to 60 and think of 50% as 1/2 so 1/2 of 60 is 30