Question 1201362
This might not be the best way to handle the description, but ....   you have three equations and three unknown variables.
<pre>
Ali        (3/5)(c+b+d)
Cindy         c=(1/2)(b+d)
Ben           b=(1/3)d
Daniel        d

(3/5)(c+b+d)=d+39
</pre>
(Not showing the arithmetic or algebra steps....)

Ali, (3/5)(130+65+195)
Cindy, 130
Ben, 65
Daniel, 195