Amir uses 2/3 of a roll of ribbon to wrap gifts. He then uses 3/4 of the remaining ribbon to decorate a box. What fraction of the whole roll does he use to decorate the box?
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Worked Solution
Step 1: Find the remaining ribbon after wrapping gifts.
Remaining = 1 − 2/3 = 1/3 of the whole roll.
Step 2: Find the decoration fraction.
3/4 × 1/3 = (3 × 1) ÷ (4 × 3) = 3/12 = 1/4.
Answer: Amir uses 1/4 of the whole roll to decorate the box.
Correct answer: 1/4
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