Akish deposited $900 into a savings account paying 2% compounded quarterly. Two years later she deposited $400 into the same account. One year after that, she withdrew $200. How much money was in the account at the end of 6 years?

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?