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A class of 50 girls and 70 boys sponsored a party. If 40% of the girls and 50% of the boys attended the party, approximately what percent of the class attended?

Correct Answer: 46
First, we need to find out 40% of the 50 girls. That is 50 x 0.4 = 20 girls. Next, we need to find out 50% of the 70 boys. That is 70 x 0.5 = 35 boys. Therefore, 20 + 35 = 55 people attended. In total there were 50 + 70 = 120 people. So the percent would be 55/120 = 11/24 ≈ 45.83% ≈ 46%.

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