Quizzes & Puzzles9 mins ago
plague
13 Answers
For how long has a brush been in use that would reduce its plague removing ability up to 30 Per cent than a new one ?
Answers
Best Answer
No best answer has yet been selected by Ong Hong Kei. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.It all depends on what the person is wearing while using the brush and the weight of their clothes therefore reducing or improving their brushing technique. Also if there is a prevailing wind then small particles of toothpaste may go astray thus not removing the plaque as much. Therefore the answer is fourteen and a half minutes unless it is a leap year.