One family spent $2,000 to start an online business selling goods. they now make $1,240,000 each year. if they made a one-time investment of half of their yearly earnings in a savings account earning 4% simple interest, how much would the account have in it at the end of 5 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?