A recipe for macaroni and cheese calls for 1 2/3 cup of shredded cheese for every 2/3 cup of milk. How many cups of milk are needed for each cup of cheese ?

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?