jadee248 jadee248
  • 20-01-2015
  • Mathematics
Answered

There are



80
students in a speech contest. Yesterday,



1/4
of them gave their speeches. Today,




2/5
of the remaining students gave their speeches. How many students still haven't given their speeches?

Answer :

carcar1232 carcar1232
  • 20-01-2015
1/4 of 80 is 20 so there's 60 left the second day.
2/5 of 60 is 24.
60-24=36
There are 36 students left after the second day.
Answer Link
julie00
julie00 julie00
  • 20-01-2015
80 ÷4=20 because 1/4 of them gave speeches.

80-20=60 

60÷5=12

12×2=24

60-24=36
Answer Link

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