PSLE
A group of pupils was asked to choose one burger from beef, mutton, tuna and turkey. The table represents the pupils' choices. The pupils' choices were also represented by a bar graph but the names of the burgers were not shown. What was the total number of pupils who chose beef and tuna burgers?

Burgers	Pupils
Beef	10%
Mutton	25%
Tuna	50%
Turkey	15%

Number of pupils who chose beef burgers is the least. So it is represented by the shortest bar.

Number of pupils who chose beef burgers = 30

10% of pupils = 30

1% of pupils = 30 ÷ 10 = 3

Percent of pupils who chose beef burgers = 10%
Percent of pupils who chose tuna burgers = 50%

Percent of pupils who chose beef and tuna burgers
= 10% + 50%
= 60%

Total number of pupils who chose beef and tuna burgers
= 60 x 3
= 180

Answer(s): 180