Mathematics, 31.07.2021 09:00 hotrdks946

In any city in 2014 80 kg, Chinese cabbage cost was decreased by 2a% in early 2012, in early 2013 cost was increased by a%. In early 2013 80kg of Chinese cabbage was early 2012 80 kg. How many times did cost of 2012 80 kg Chinese cabbage and 2013 80 kg Chinese cabbage? choices:
1. 2 times
2.1/2 times
3.10-a/10+2a times
4.100-2a/100+a times
5. 100+2a/10-2a times

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In any city in 2014 80 kg, Chinese cabbage cost was decreased by 2a% in early 2012, in early 2013 co...