Question: On Miss Lawrence's math exam, 80% of the 50 questions are problem-solving while the rest are multiple-choice questions. How many multiple-choice questions are there? Think carefully first, then make a decision:
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100% - 80% = 20% of Miss Lawrence's exam are multiple - choice questions. Thus, there are 50 x 20 / 100 = 10 multiple - choice questions. So the answer is 10.
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