Payment option a for leasing new cars is $2,450 down, plus $175 per month for 36 months. payment option b for leasing new cars is $1,900 down, plus $165 per month for 24 months. how much more would it cost to be on payment plan b for 6 years than payment plan 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?