Sixty adults with gum disease were asked the number of times per week they used to oss before their diagnosis. The (incomplete) results are shown below: # Flossing per Relative Cumulative Relative Frequency Frequency Frequency (a) Fill in the blanks in the table below. Round your answers to four decimal places, if necessary. # Flossing per Relative Cumulative Relative Frequencyr Frequency (b) What percent of adults flossed one time per week? Enter the exact answer. Number % {c}: What percent flossed at most three times per week? Round your answer to two decimal places. Number %