Question 1139529
<pre>
Person         Amount

DAVID            d

TIMMY           d/3

PATRICK         d/3+3.6
</pre>


---
david is 25.8 kg heavier than patrick. find david's mass?
---


{{{highlight_green(d-(d/3+3.6)=25.8)}}}
-
{{{d-d/3-3.6=25.8}}}
{{{d-d/3=25.8+3.6}}}
{{{d-d/3=29.4}}}
{{{3d-d=88.2}}}
{{{highlight(d=44.1)}}}