If 30% of a class of 40 students pass, how many passed?

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Multiple Choice

If 30% of a class of 40 students pass, how many passed?

Explanation:
Percent of a total is found by multiplying the total by the percent expressed as a decimal. Here, 30% is 0.30, and the class size is 40. Multiply: 0.30 × 40 = 12. So twelve students passed. For quick checks: 25% would be 10, 37.5% would be 15, and 50% would be 20, which confirms that 30% of 40 is 12.

Percent of a total is found by multiplying the total by the percent expressed as a decimal. Here, 30% is 0.30, and the class size is 40. Multiply: 0.30 × 40 = 12. So twelve students passed. For quick checks: 25% would be 10, 37.5% would be 15, and 50% would be 20, which confirms that 30% of 40 is 12.

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