2/3 of my students play the piano.
1/2 of the students who play the piano also play the vioilin.
1/4 of those students also play the flute.
What fraction of my students play all three instruments?

A wading pool is half filled with water.
When 12 more gallons of water are added, the pool is 7/8 full.
How many gallons of water can the wading pool hold?

On a shopping trip, Henry spends 1/3 of his money at the Sport Court.
He then spends 1/3 of the money he has left at June's Tunes.
Finally, he spends his remaining $20 at Troy's Toys.
How many dollars did Henry have at first?

There are 36 students in Mr. Al Gebra's math class.
5/6 of the students passed the test.
The same number of boys and girls failed the test.
4/9 of the students are girls.
How many boys passed the test?

Amy sold 3/4 of her comic books for 80 cents each.
She had 5 comic books left.
How much money did Amy collect?