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Mathematics, 10.12.2020 17:10 kylie252

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

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There are 90 students in a speech contest. Yesterday 2/3 of them gave their speeches. Today,1/3 of t...
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