Displaying Data, SM-Bank 038 MC

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

If the test was out of 10, how many students scored 70% or more?

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\(A\)

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\(70\%\ \text{of total}\)	\(=70\%\times 10\)
	\(=7\)

\(\text{Number who scored 7, 8, 9 or 10}\)	\(=5+7+6+4\)
	\(=22\)

\(\Rightarrow A\)