Will give brainliest and 20 points 1 cubic foot of sand weighs 100 pounds. a square sandbox with 5-foot side has half of a foot of sand in it. how many pounds of sand is the sandbox holding?

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?