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Problem 23
Combinatorics Difficulty 1.1 Find the answer CEMC Gauss (Grade 7) · Canada · 2018
In the diagram, the pie chart shows the results of a survey asking students to choose their favourite fruit.
A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.
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Official solution
Reading from the pie chart, 20% of 100 students chose banana.
Since 20% of 100 is 20, then 20 students chose banana.
Source: CEMC, University of Waterloo,
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