There are 60 students in a speech contest. Yesterday 1/3 of them gave their speech today 1/4 of the remaining students have their speeches. How many students still haven't given their speech?
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total number of students=60
yesterday 1/3 of them gave their speech= 1/3 of 60= 20
subtracting 60-20= 40
today 1/4 of 40 gave their speech= 10
the number of students who haven't given their speech is 30.
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