Question 218371
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Let *[tex \Large x] represent the number of questions on the test.  80% of the questions on the test must then be *[tex \Large 0.8x] which is equal to 32, so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 0.8x = 32]


Divide both sides by 0.8.



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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