Displaying Data, SM-Bank 037 MC

The results of a mathematics test are shown in the graph below.

If the test was out of 30, how many students scored less than 50%?

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\(C\)

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\(50\%\ \text{of total}\)	\(=50\%\times 30\)
	\(=15\)

\(\text{Number who scored less than 15}\)	\(=6+8+9\)
	\(=23\)

\(\Rightarrow C\)