You are arranging chairs in an auditorium for the talent show. the number of rows is to be the same as the number of chairs per row. you will need a total of 225 chairs. how many chairs will be in each row?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Combine the information in the problem and the chart using the average balance method to solve the problem.