Do you know what a palindrome is? It is a word or phrase with the same spelling when forward or backward. A single-word palindrome in the English language is the word evitative. How many distinct arrangements can be made with the letters in this word?

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?