Percentage problems
In a class of 30 students, 40% are boys. How many girls are there?
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Step 1: Find the number of boys.
ReplyDelete40% of 30 = 0.4 × 30 = 12 boys
Step 2: Find the number of girls.
Total students − boys = girls
30 − 12 = 18 girls
Answer: There are 18 girls.