Question

from a oil tin of capacity 52L . 7/9 part is sold out. The balance of oil in the tin is?

Answer 1

$balance \: of \: oil \: in \: the \: tin \: = 52 - \frac{7}{9} \times 52 \\ = \frac{468 - 364}{9} \\ = \frac{104}{9} = 11 \frac{5}{9} l$