There is juice sold at a store which you can exchange for another new bottle with three empty bottles.
In order to drink 100 bottles in all of this juice, how many bottles should I buy this juice at least ?
In order to drink 100 bottles in all of this juice, how many bottles should I buy this juice at least ?
Answer
Total number of bottles I should buy is 3 + 2 × 32= 67 bottles.
67 bottles
Solution
You can consider this problem by the figure below.
Total number of bottles I should buy is 3 + 2 × 32= 67 bottles.
