Mrs Tan buys a piece of cloth 4.2 m long at NTUC Fairprice. She cuts off 85 cm for a cushion cover and 1.35 m for curtains. How much cloth, in cm, does she have left?
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Worked Solution
Step 1: Convert 4.2 m to cm. 4.2 × 100 = 420 cm.
Step 2: Convert 1.35 m to cm. 1.35 × 100 = 135 cm.
Step 3: Find total length cut off. 85 + 135 = 220 cm.
Step 4: Find cloth remaining. 420 − 220 = 200 cm.
Answer: 200 cm.
Answer: 200 cm
Correct answer: 200 cm
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