IF I PURCHASE AN ITEM FOR $2.00 AND I WANT TO RESELL IT WITH A MARGIN OF GROSS PROFIT OF 64.5% WHAT FORMULA DO I USE TO ARRIVE AT THAT RESELL FIGURE? Hi Ethel,Percent means "per onehundred" so 64.5% is ^{64.5}/_{100}. Thus if you want your gross profit to be 64.5% you need to add 64.5% of $2.00. 64.5% of $2.00 is Thus your resell amount should be $2.00 + $1.29 = $3.29 To accomplish this in one step you can calculate Penny
