If 3 out of 5 dentist recommend white toothpaste, what percent do not recomended white toothpaste?
Answer: 40 % ……
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ANSWER:
40% do not recommend white toothpaste.
SOLUTION:
Let 5/5 represents the total number of dentists surveyed 3/5 represents the dentists who recommend white toothpaste
Solution:
[tex] \frac{5}{5} – \frac{3}{5} = \frac{2}{5} [/tex]
2/3 is the fractional part of the dentists who do not recommend white tootpaste.
Convert fraction to percent:
2/5= 0.4 or 40%
40% do not recommend white toothpaste.
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