You talk to a friend who lives in a different state. she tells you that today it is 12 degrees below zero where she lives. you tell her it is 54 degrees where you live. what is the difference in temperatures?

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?