Page 415 - Math Smart - 7

The pie chart shows the favourite football teams of 100 youths.

Key:
Dribblers
Super Spurs
Football United
Super Scorers
Yellow Dragons

a) Calculate the value of X.
b) What percentage of the youths favoured Football United?

c) What percentage of the youths favoured Yellow Dragons?
d) How many youths indicated the Dribblers as their favourite team?
e) How many less youths indicated Yellow Dragons as their favourite team compared to Super Spurs?
f) What percentage of the youths indicated Super Scorers as their favourite team?
g) Which team is favoured by 25% of the youths?

17.2.6 When to use a bar chart and

a pie chart

The monthly rainfall in Hyderabad is presented as a bar chart and a pie chart.
The same data is used for each chart.

Rainfall in Hyderabad

Rainfall lOO-
(mm)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Month

All