The results of a survey of the hair colour of 600 people are shown in this circle graph. How many people have blonde hair?
(A) 30
(B) 160
(C) 180
(D) 200
(E) 420

![](https://cdn.mathpix.com/cropped/2024_04_20_46ead6524a8d61e21c51g-101.jpg?height=290&width=266&top_left_y=1796&top_left_x=1404)
The results of a survey of the hair colour of 600 people are shown in this circle graph. How many people have blonde hair?
(A) 30
(B) 160
(C) 180
(D) 200
(E) 420

![](https://cdn.mathpix.com/cropped/2024_04_20_748fdafcde2a47412608g-443.jpg?height=395&width=412&top_left_y=434&top_left_x=1388)

Hair Colour

## Solution

From the diagram, blondes represent $30 \%$ of the 600 people.

Since $30 \%$ of $600=(.3)(600)=180$, there are 180 blondes in the survey.

ANSWER: (C)