Asubmarine went down 800 feet below sea level to point a, then traveled up to point b, which was 160 feet below sea level. write the fraction that relates the distance traveled by the submarine from point a to point b to the depth of point a?

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?