Ahmad and Siti share some stickers in the ratio 5 : 3. Ahmad gives 12 stickers to Siti, and they then have the same number of stickers. How many stickers does Ahmad have at first?
Show Worked Solution
Worked Solution
Step 1: Let Ahmad have 5x stickers and Siti have 3x stickers at first.
Step 2: After Ahmad gives 12 to Siti, their amounts are equal.
5x - 12 = 3x + 12
Step 3: Solve the equation.
5x - 3x = 12 + 12
2x = 24
x = 12
Step 4: Find Ahmad's original number of stickers.
5x = 5 x 12 = 60
Answer: 60
Correct answer: 60
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