27-01-2015
Mathematics

Answered

Sergio got 80% on his math test. If he answered 24 questions correctly, how many questions where on his test?

Verified Answer :

27-01-2015

\(x-\ all\ questions\\\\ 80\%x=24\\\\ 0.8x=24\ \ \ \ | divide\ by\ 0.8\\\\ x=30 \\\\ There\ were\ 30\ qestions.\)

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Anonymous Anonymous

27-01-2015

x- all questions

x-80

x-0.8| divide by 0.8

x-30

30 questions were on the test.

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