Question 1020771
The cost for the entire 500 pounds grapes is  {{{500*(0.39)*dollars=195*dollars}}}.  The result of the 60% markup ON THE COST would be revenue {{{195*(1.60)=312*dollars}}}.


Five percent of the grapes expected to spoil, so only {{{0.95*500=475*pounds}}} to be sold.


PRICE NEEDED:
312 dollars, 475 pounds,
{{{(312/475)(dollars/pound)=highlight(0.66*(dollars/pound))}}}