Displaying Data, SM-Bank 007 MC

Students at a high school were surveyed to find whether they did exercise before school.

The graph below shows the results.

There were 150 17-year-old students at the high school.

How many 17-year-old students responded 'Every Day'?

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\(C\)

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\(\text{30% of 17-year-old students responded ‘Every Day’.}\)

\(\therefore\ \text{Number}\)	\(=0.3\times 150\)
	\(=45\)

\(\Rightarrow C\)