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

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?