A glass is 1/ 4 full. Then 24cm3 of orange juice is poured in. The glass is now 2/ 5 full. What is the total volume of the glass?

Answer 1

Let's say x is a full glass

so

1/4x+24=2/5x

Or

5/20x+24=8/20x

And

24=3/20x

Solve for x to get

x=160 cm^3