Karla purchased a gym membership for $175. for each hour she uses the gym, she is charged another $5 per hour. write an algebraic expression to represent the total cost for h hours of gym usage, and identify the units for the expression.

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?