madisonmwiese madisonmwiese

08-10-2015
Mathematics

contestada

Jim got a 90% on his test he missed 3 questions. How many questions were on the test?

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Madelinej Madelinej

08-10-2015

100 (x - 3) = 90x
100x - 300 = 90x
-100x -100x
------------------------
-300/-10 = -10x/-10
30 = x

There were 30 questions on the test

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Аноним Аноним

08-10-2015

he got 27 questions right out of 30

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