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Ly scored 90% on a test. If he answered 135 questions correctly, how many questions were on the test?

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asked Jun 22, 2016 158k views

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Ly scored 90% on a test. If he answered 135 questions correctly, how many questions were on the test?

Mathematics
middle-school

Okeen asked

by Okeen

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$x-\ all\ questions\\\\ 90\%x=135\\\\ 0.9x=135\ \ \ | divide\ by\ 0.9\\\\ x=150\\\\ There\ were\ 150\ questions.$

Ignat Galkin answered Jun 27, 2016

by Ignat Galkin

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Ly scored 90% on a test. If he answered 135 questions correctly, how many questions were on the test?

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