Question

The pie chart shows the
proportions of students
12 years
by age in a class. There
are 23 students who are
12 years old. Find
(a) the value of x,
(b) the total number
Ages of students
of students in the
class,
(c) the number of students who are 13 years
old.​

Answer 1

Answer:

(a) x = 360 - 230 + 30 = 360 - 260 = 100°

(b) 12 + 13 + 14 = 39 students

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