Sixty adults with gum disease were asked the number of times per week they used to floss before their diagnosis. The (incomplete) results are shown below:

# Flossing per Week	Frequency	Relative Frequency	Cumulative Relative Frequency
0	19	0.3167
1	21
3			0.8834
6	6	0.1000
7	1	0.0167

(b) What percent of adults flossed six times per week?

(c) What percent flossed at most three times per week? Round your answer to two decimal places.