tharris79 tharris79
  • 17-10-2018
  • Mathematics
contestada

A student answers 90​% of the questions on a math exam correctly. If he he answers 18 questions​ correctly, how many questions are on the​ exam?

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caramelatte
caramelatte caramelatte
  • 17-10-2018
20 questions are on the exam (total)
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