SOLUTION: you got 90% on a science test. you answered 18 correctly how many questions were on the test?

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Question 1136859: you got 90% on a science test. you answered 18 correctly how many questions were on the test?
Answer by ikleyn(52835)   (Show Source): You can put this solution on YOUR website!
.
 = 


x =  = 2*10 = 20.    ANSWER

Solved.

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