At NTUC FairPrice, there are 24 red apples and 36 green apples on a shelf. Express the ratio of red apples to green apples in its simplest form.
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Worked Solution
Step 1: Find the HCF of 24 and 36. Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24. Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36. HCF = 12.\n
Step 2: Divide both terms by 12: 24 ÷ 12 = 2, 36 ÷ 12 = 3.\n
Step 3: Simplest form = 2 : 3.\nCheck: 2 and 3 share no common factor other than 1, so this is fully simplified. ✓
Answer: 2 : 3
Correct answer: 2 : 3
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