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28-08-2018
Mathematics

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Jim gets a 90% on his science text. He missed 3 questions. How many questions were on the test?

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Ollieme Ollieme

28-08-2018

If 3 is the number missed, we want the percentage wrong
[tex] \frac{10}{100} = \frac{3}{x} [/tex]
3(100)=10(x)
10x=300
Divide by 10
x=30

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