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

Jim got a 90% on his test he missed 3 questions. How many questions were on the test?
asked 97.3k views
5 votes
Jim got a 90% on his test he missed 3 questions. How many questions were on the test?

asked
User Atmo
by
8.4k points

2 Answers

5 votes
he got 27 questions right out of 30
answered
User Michael Shigorin
by
8.3k points
6 votes
100 (x - 3) = 90x
100x - 300 = 90x
-100x -100x
------------------------
-300/-10 = -10x/-10
30 = x

There were 30 questions on the test

answered
User Kamel
by
7.7k points
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