The table below shows the relative frequencies of the color of cars bought last month by males and females. which percentage represents the car bought most often? male female total blue car 0.04 0.12 0.17 black car 0.08 0.06 0.13 white car 0.11 0.20 0.31 gray car 0.02 0.09 0.11 red car 0.17 0.10 0.27 total 0.43 0.57 1.00 20%

31%.

The car bought most often by both males and females collectively is the white car.  That has a total frequency of 0.31 out of 1 or, 31/100

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart