jljfun jljfun
  • 02-11-2017
  • Mathematics
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Sam correctly answered 80% of the questions on his last math test if he missed 3 problems how many questions were on the test

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Аноним Аноним
  • 02-11-2017
Hello There!

100% - 80% = 20%
20% = 3
Therefore, 10% = 1.5
100% = 10 x 10%
100% = 10 x 1.5
100% = 15.

There were 15 questions.

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- Hannah ❤
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