Question

at the malt shop a large shake take 8/9 of a pint of milk. if a medium shake takes 1/7 the amount of a large, how much does the medium shake take?

Answer 1

Medium takes one seventh as much as a large, one seventh of eight ninths pints of milk.

What is 1/7 of 8/9?
$\frac{1}{7} * \frac{8}{9} = \frac{8}{63} ~pint~milk$