A grocer buys apples for 100¢ per pound. If 10% of the apples goes bad and he still wants to make a 20% profit over his purchase price, what should be the sales price?
Pick one:  A) 100¢  B) 115¢  C) 145¢  D) 150¢  E) 146.67¢
for making calculation simple let us consider he buys 10pounds @ 100/pound=1000¢ in total .   10% apples lost...means 9 pounds left.   further he wants 20% profit on 1100 ¢   means he wants to earn 1320¢   sales price should be 1320/9=¢ 146.67   Ans 146.67¢
<result>E</result>
A grocer buys apples for 100¢ per pound. If 10% of the apples goes bad and he still wants to make a 20% profit over his purchase price, what should be the sales price?