Ahmad and Siti are comparing the prices of two tuck shop items. A pencil costs 50 cents and an eraser costs 30 cents. What is the ratio of the cost of a pencil to the cost of an eraser?
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Worked Solution
Step 1: Identify the two amounts to compare: pencil costs 50 cents, eraser costs 30 cents.
Step 2: Write the ratio as pencil : eraser = 50 : 30.
Step 3: Simplify by dividing both by their HCF (10):
50 ÷ 10 = 5, 30 ÷ 10 = 3.
Final: The ratio is 5 : 3.
Correct answer: 5 : 3
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