Please help me on this

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.