An editorial criticized a chart caption that described a dental rinse as one tha

Question

An editorial criticized a chart caption that described a dental rinse as one that "reduces the chance of teeth by over 250 percent" What is wrong with this statement? Choose the correct answer below. A. The actual amount of the decrease in plaque is less than 100%. B. The statement does not mention the initial amount of plaque. C. If plaque fell by 100%, it would be cut in half. Thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. D. A reduction of 100% would eliminate all plaque. so it is not possible to reduce it by more than 100%.

Explanation / Answer

as if we take current plaque to be standard and as plaque amount can not go into negative therefore it can not be reduced more then 100%

hence option D is correct

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