What do you do if you have a jug with 10 liters and you want to pour it in a 3 liter bowl and a 5 liter cup and you want to make 4 liters out of it?

1. Fill the 3 liter bowl from the 10 liter jug.

-Jug: 7/10

-Bowl: 3/3

-Cup: 0/5

2. Pour the 3 liters from the bowl into the 5 liter cup.

-Jug: 7/10

-Bowl: 0/3

-Cup: 3/5

3. Fill the 3 liter bowl again from the 10 liter jug.

-Jug: 4/10

-Bowl: 3/3

-Cup: 3/5

**If having the 4 liters in the jug is acceptable, just stop here. If you need the 4 liters in the cup, continue.

4. Fill the remainder of the 5 liter cup with with water from the 3 liter bowl. This will use 2 of the 3 liters in the bowl, leaving one left over.

-Jug: 4/10

-Bowl: 1/3

-Cup: 5/5

5. Pour the 5 liters in the cup into the jug.

-Jug: 9/10

-Bowl: 1/3

-Cup: 0/5

6. Pour the 1 liter from the 3 liter bowl into the 5 liter cup.

-Jug: 9/10

-Bowl: 0/3

-Cup: 1/5

7. Fill the 3 liter bowl with water from the 10 liter jug.

-Jug: 6/10

-Bowl: 3/3

-Cup: 1/5

8. Pour the 3 liters in the bowl into the 5 liter cup.

-Jug: 6/10

-Bowl: 0/3

-Cup: 4/5

You now have 4 liters in the 5 liter cup.