A ribbon is 85 cm long. Mei Ling cuts off a piece that is 38 cm long. What is the length of the remaining ribbon?
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Worked Solution
Step 1: Subtract the length cut off from the total length.
85 cm − 38 cm
Step 2: Subtract the ones: 5 − 8. Need to borrow. 15 − 8 = 7.
Step 3: Subtract the tens (with borrow): 7 − 3 = 4.
Answer: 47 cm
Correct answer: 47 cm
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