PSLE
A group of pupils was asked to choose one taco from hotdog, egg, beef and vegetarian. The table represents the pupils' choices. The pupils' choices were also represented by a bar graph but the names of the tacos were not shown. What was the total number of pupils who chose beef and hotdog tacos?

Tacos	Pupils
Hotdog	25%
Egg	25%
Beef	20%
Vegetarian	30%

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

Number of pupils who chose beef tacos = 80

20% of pupils = 80

1% of pupils = 80 ÷ 20 = 4

Percent of pupils who chose hotdog tacos = 25%
Percent of pupils who chose egg tacos = 25%

Percent of pupils who chose hotdog and egg tacos
= 25% + 25%
= 50%

Total number of pupils who chose beef and hotdog tacos
= 50 x 4 
= 200

Answer(s): 200