How can I use logarithms to solve this equation?

Im literally having a mental breakdown

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!

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?