SOLUTION: There are 90 students in a speech contest. Yesterday, 1/5 of them gave their speeches. Today, 1/3 of the remaining students gave theirs. How many students still have yet to give th

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: There are 90 students in a speech contest. Yesterday, 1/5 of them gave their speeches. Today, 1/3 of the remaining students gave theirs. How many students still have yet to give th      Log On


   

Question 1044498: There are 90 students in a speech contest. Yesterday, 1/5 of them gave their speeches. Today, 1/3 of the remaining students gave theirs. How many students still have yet to give their speeches.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
1/5 of 90 is 18, so 72 were left. (1/5)*90
1/3 of 72 gave speeches, or 24, so 48 are left to give their speeches. (1/3)*72