10-03-2016
Mathematics

contestada

you earned a 90% on a science test yoy answer 18 questions correctly how many questions were on the test

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SarcasticSeagull SarcasticSeagull

10-03-2016

x= entire test
if
18=.9x
then divide both sides by .9
18/ .9
and x = 20
20 questions total on the test

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