(1) Identify the given quantity and its unit; identify the unit sought
(2) Gather useful conversion factors (unit relationships) and outline a logical, systematic sequence of  conversions
lb (body wt.)
Kg (body wt.)
given      
cans soda
154 lb (body wt.)
 sought
1 lb = 453.6 g
17 g (cyclomate)
Kg (body wt.)
0.085 g (cyclomate)
       Can soda
 g (cyclomate)
Cans soda