There are 90 students in a speech contest. Yesterday, 2/5 of them gave their speeches. Today 1/3 of the remaining students gave their speeches. How many students still haven't given their speeches?

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asked Jul 28, 2020 154k views

2 votes

There are 90 students in a speech contest. Yesterday, 2/5

of them gave their speeches. Today 1/3 of the remaining students gave their speeches. How many students still haven't given their speeches?

Mathematics
high-school

Nedblorf asked

by Nedblorf

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$Answer: \\ 90 - (2)/(5) * 90 - (1)/(3) * (2)/(5) * 90 = 36 \\ \Rightarrow 36 \: students \: haven't \: given \: their \: speeches$

Jaydeep Khamar answered Aug 2, 2020

by Jaydeep Khamar

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