The histogram gives information about a fitness club.
Frequency
All members are below 80 years old.
density
Members of a fitness club
25 members are below 20 years old.
9 members are above 65 years old.
a) Complete the histogram.
b) Work out the total number
of members of the club.
members
10
20
30
40
50
Age in years
60
70
80