There are 80 students in a speech contest. Yesterday 1/4 of them gave their speeches. Today 2/5 of the remaining students gave t

Question

gregori [183]

3 years ago

5

There are 80 students in a speech contest. Yesterday 1/4 of them gave their speeches. Today 2/5 of the remaining students gave t

heir speeches. How many students still haven't given their speeches?

Mathematics

1 answer:

beks73 [17] · Answer 1 · 2022-04-23T22:06:16+03:00

beks73 [17]3 years ago

3 0

So 80 total
1/4 gave speeches or 20 gave speeches
80-20=60
today 2/5 of 60 gave speeches

2/5 of 5=60 is the same as
2/5 times 60=120/5=24 who gave speeches

60-24=36

36 haven't give their speeches