A piece of ribbon is 8.50 m long. Mei Ling cuts off 3.75 m. How long is the remaining piece?
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Worked Solution
Step 1: Write the subtraction, lining up decimal points.
8.50
− 3.75
------
Step 2: Hundredths: 0 − 5, cannot subtract. Borrow from tenths. Tenths becomes 4; hundredths becomes 10. 10 − 5 = 5.
Step 3: Tenths: 4 − 7, cannot subtract. Borrow from ones. Ones becomes 7; tenths becomes 14. 14 − 7 = 7.
Step 4: Ones: 7 − 3 = 4.
Step 5: Answer = 4.75 m.
Answer: 4.75 m
Correct answer: 4.75 m
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