Candies Bonus
Number Theory
Level
2
A candy factory sells 3 candies for 1000 rupiah. For every 3 candies you can trade it is wrap for 1 new candy. If you have 5000 rupiah. How many candies you can got?
(source:OSK astronomy 2014)
23
22
21
20
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1 solution
15 + 15/3 = 15 + 5 = 20
5/3 = 1 + Remainder 2
1/5 remainder = 1
2 + 1 = 3 and 3/3 = 1
Total = 20 + 1 + 1 = 22