Four packs of a certain brand of T-shirts cost $
220.
Each pack costs the same amount of money and contains
5
T-shirts.

What is the cost per T-shirt?

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?