What is the area of a design

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?