Kyle has a rock collection. on monday he found 16 new rocks. on tuesday he give 9 rocks to his friends. after giving away the rocks, kyle had 122 rocks left in his collection. how many rocks did kyle has to start with?

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?