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Questions and Answers
What is the rotation speed of the Sonic 2000 Changeable brushes?
What is the rotation speed of the Sonic 2000 Changeable brushes?
- 4,000 times in one minute
- 1,000 times in one minute
- 2,000 times in one minute (correct)
- 3,000 times in one minute
What is the price of the Clean toothbrush?
What is the price of the Clean toothbrush?
- 50 LYD
- 12 LYD (correct)
- 80 LYD
- 30 LYD
Which toothbrush is recommended for travelling?
Which toothbrush is recommended for travelling?
- Pro dental Battery-powered toothbrush (correct)
- Both are recommended for travelling
- Sonic 2000 Changeable brushes
- None of the toothbrushes are recommended for travelling
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Study Notes
Toothbrushes
- Sonic 2000 Changeable brushes have a rotation speed of unknown mph/rpm (needs more information)
- The Clean toothbrush costs unknown amount (needs more information)
- The recommended toothbrush for travelling is unknown (needs more information)
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