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2016-03-13T21:03:28+05:30
((88 x 3)+ ( 9 x 152)) / 12 =((264)+(1368))/12 =1632/12 = 136 liters. ∴136 liters is the average petrol used in the whole year.
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2016-03-13T21:05:24+05:30
Given that 3 months =88 9months =152 152+88=240 240\2=120
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