3/8 of the students in a class are boys. There are 12 more girls than boys. How many students are there altogether?
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Worked Solution
Step 1: Boys = 3/8 of total. Girls = 1 − 3/8 = 5/8 of total.
Step 2: Girls − Boys = 5/8 − 3/8 = 2/8 = 1/4 of the total.
Step 3: 1/4 of total = 12, so total = 12 × 4 = 48.
Check: Boys = 3/8 × 48 = 18. Girls = 5/8 × 48 = 30. 30 − 18 = 12. ✓
Answer: 48 students altogether.
Answer: 48
Correct answer: 48
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