5. a store manager realizes that he has too many jeans in stock. after he finished taking inventory, he has a total of 688 jeans. he decides to reduce the stock
by having a buy one get one free sale. that means that every purchase will reduce this inventory by 2 pairs of jeans.
the expression below describes this situation.
688 - 22
in this expression, what is the variable and what does it represent?
x, the number of jeans purchased
-2, the number of jeans sold with each purchase
688, the total amount of jeans in stock
-2x, the number of jeans the stock is reduced by from each sale