First let's find how much Jose bought each bag of peanuts for. Divide $375 by 750 bags of peanuts.
375/750 = 0.5
Each bag of peanuts was $0.50. Since Jose intends to sell each bag back for $0.15 more, add $0.50 and $0.15.
0.50 + 0.15 = 0.65
Jose will charge
for each bag of peanuts.