80% of 37 questions:
= 80% * 37
= 0.8 * 37
= 29.6 questions.
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20% off 37 dollars = 80% of 37 dollars = 37*80/100 = 29.60 dollars.
To pass with 80 percent on a test of 110 questions, you need to answer at least 88 questions correctly (80% of 110 is 88). This means you can miss a maximum of 22 questions (110 - 88 = 22). Therefore, you can miss 22 questions and still pass with 80 percent.
Eight of them.
Four questions.
That would be 80 percent.