Question 841195
 a man 5 foot tall casts a 3 foot shadow. At the same time of day, a tree (Y) foot high casts an (X) feet shadow. What Is the Equation for this question? 
:
This is a direct proportional relationship, we can write it:
{{{y/x}}} = {{{5/3}}}
Cross multiply
3y = 5x
divide both sides by 3
y = {{{5/3}}}x, is the equation