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$30 \div 2 \times 4 - 35$

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Add and subtract fractions

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Q.

30 \div 2 \times 4 - 35

question prompt: question_prompt: How many rolls of tape does the electrician need to order?
divide calculation: First, we gotta divide $8,000 \, \text{cm}$ by $2,000 \, \text{cm}$ to find out how many rolls we need. $\newline$ $8,000 \div 2,000 = 4$
final result: So, the electrician needs to order $4$ rolls of tape.

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