<PRE><B>Question 536281</B>
Use a ratio.  {{{muscle/weight}}}&lt;P&gt;
{{{2/5 = x/140}}} &lt;P&gt;
Cross multiply.&lt;P&gt;
{{{5x=280}}}&lt;P&gt;
Divide both sides by 5&lt;P&gt;
{{{x=56}}}
&lt;P&gt;&lt;B&gt;I provide online tutoring ($30/hr) and personal problem solving 

($3.50-$5.50 per problem.  Contact me (check the profile &quot;website&quot; which is 

my email address.&lt;/B&gt;&lt;P&gt;</PRE>