Yesterday, 1/4 of 80 =20 gave their speeches, so there are 80-20=60 students left.
Today, 2/5 of 60=24 students gave their speeches, so there are 60-24=36 students who still haven't give their speeches
another way to think of it is 80*(1- 1/4)*(1- 2/5)=80*(3/4)*(3/5)=36
Answer:
The solution is greater than 1.
If three points were A, B and C are collinear points and B is between A and C, then AB+BC=AC
The Volume of the box is 78 inches.
How I got my answer:
The formula for Volume is length x width x height, so 6.5 x 6 x 2 equals 78.
