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Stolb23 [73]
2 years ago
7

6th grade math , help me please :)

Mathematics
1 answer:
alukav5142 [94]2 years ago
3 0

Answer:

  1. 30%
  2. 30%

Step-by-step explanation:

7\:out\:of\:ten\\10-7 = 3\\3\:people\:don't\:brush\\\\\frac{3}{10} \times 100\\\\\frac{300}{10} \\\\=30\%

\frac{18}{60} \times 100\\ \\\frac{1800}{60} \\\\= 30\%

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