Advanced Mathematics Primary 6 Ratio

Ahmad, Benny and Chloe share some stickers in the ratio 2 : 3 : 5. Benny has 18 stickers. How many stickers does Ahmad have?

A 6
B 9
C 12
D 30
Show Worked Solution

Worked Solution

Step 1: Use Benny's information to find 1 unit. Benny's ratio = 3, Benny has 18 stickers. 1 unit = 18 ÷ 3 = 6 stickers Step 2: Find Ahmad's share. Ahmad's ratio = 2. Ahmad's stickers = 2 × 6 = 12 stickers Answer: 12

Correct answer: 12

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