If you add all the numbers in the ratio, you would get 14. If we thibk of this like "parts", it can make the problem easier. Since Mark and Henry's portion is 5 parts of all, we can make the equation:
5x=25
Where 5x stands for the parts, and 25 to how much it's worth. Using this we get:
x=5
Now we can multiply this value to Jube's portion, which looks like this:
