SOLUTION: There are 90 students in a speech contest. Yesterday, 1/3 of them gave their speeches. Today, 2/3 of the remaining students gave their speeches. How many students still haven't gi

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Question 837055: There are 90 students in a speech contest. Yesterday, 1/3 of them gave their speeches. Today, 2/3 of the remaining students gave their speeches. How many students still haven't given their speeches?
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
90-90/3=60
2/3*60=40
60-40=20 yet to give speeches

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