(6 votes, average: 3.33 out of 5)A shopkeeper gives a full bottle of soft drink in return for five empty bottles. A guy has 77 empty bottles and he can use them to get full soft drink bottles.
How many filled bottles will he be able to collect?
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77 empty bottles= 15 filled bottle+2 empty bottle
15+2 empty bottles=3 filled +2 empty bottles
3+2 empty bottles=1 filled bottle
i.e. total filled bottle are 15+3+1=19
15+2 empty bottles=3 filled +2 empty bottles
3+2 empty bottles=1 filled bottle
i.e. total filled bottle are 15+3+1=19
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19
19
19
77 empty bottles= 15 filled bottle+2 empty bottle
15+2 empty bottles=3 filled +2 empty bottles
3+2 empty bottles=1 filled bottle
i.e. total filled bottle are 15+3+1=19