There is a water in two tank, tank a&b. The volume of tank a and...

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2021-10-19

There is a water in two tank, tank a&b. The volume of tank a and b is 4:3. When 0.8 liter of water is added to tank A, there is twice much more water in tank A than tank b. When tank A is filled completely, it is 1/4 of tank b, how much more water to fill tank b to its rim?