Problema Solution
ashop sells 1 chocolate 1 dollar each.you can get 1 chocolate free by returning 3 wrapers.if you have 15 dollars then how many chocolates totally u could get.
Answer provided by our tutors
for $15 you can buy 15 chocolates.
15 chocolate have 15 wrappers.
since 3 wrappers gets you 1 chocolate free, 15 wrappers will get you 15/3 = 5 chocolates free.
thus the total number of chocolates you could get is 15 + 5 = 20 chocolates.