Question

The results of a survey are shown in the pie chart below and the survey 28 students say their favorite dessert is ice cream how many people say their favorite dessert is pie cake: 27% candy: 23% Pie: 15%

Answer 1

12 students prefer pie

Step-by-step explanation:

Let's call N the total number of students.

We know that:

27% of them prefer cake

23% of them prefer candy

15% of them prefer pie

Therefore, the fraction of students who prefer ice cream is:

$100-27-23-15=35\%$

We also know that the number of students who prefer ice cream is 28: so, 28 out of N represents the 35%. We can use this information to find N:

$\frac{35}{100}N=28\\N=\frac{28\cdot 100}{35}=80$

So, the total number of students is 80.

Now we c an find the number of students who prefer pie, which are the 15% of the total:

$n' = \frac{15}{100}N=\frac{15}{100}(80)=12$

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