6 February, 03:23
There are 80 students in a speech contest. Yesterday, 1/4
of them gave their speeches. Today, 1/5 of the remaining students gave their speeches. How many
students still haven't given their speeches?
6 February, 03:35
6 February, 04:10
48 students have not given their speeches
Yesterday 1/4 of them gave their speeches.
1/4 times 80 is 20
Only 20 have their speeches, remaining 80-20, equals 60 students.
The next day, 1/5 of the remaining.
1/5 times 60 equals 12.
All those who had given is 20+12=32.
Yet to give: 80-32=48
Know the Answer?
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» There are 80 students in a speech contest. Yesterday, 1/4 of them gave their speeches. Today, 1/5 of the remaining students gave their speeches. How many students still haven't given their speeches?