Question 977571
<i>cost C of double-dipped chocolate pretzel O's varies directly with the number of pounds of pretzels purchased, P. </i>


{{{C=kP}}}


If C=89.52 and P=2.9, then 
{{{k=C/P=89.52/2.9=30.87}}}


The variation equation for this pretzel product is  {{{highlight(C=30.87*P)}}}.


Let P=15.0.
{{{highlight(C=30.87*15=463)}}}