The line graph shows survey results of the favourite snacks of some students.
- How many students took part in the survey?
- Which 2 snacks have the same total number of votes as chips and biscuits? Give your answers in numbers. (Eg 1, 2)
(a)
Number of students that took part in the survey
= 40 + 120 + 10 + 150 + 70 + 80
= 470
(b)
Total number of votes for chips and biscuits
= 40 + 120
= 160
Total number of votes for smoothies and pizzas
= 10 + 150
= 160
The 2 snacks that have the same total number of votes as chips and biscuits are (3) smoothies and (4) pizzas.
Answer(s): (a) 470; (b) 3, 4