Answer: Suppose you buy X sets of A-star equipment and Y sets of B-type equipment.

List the equations:

Question 1: The constraint equation is:

12x+ 10y《 105

In the integer value of the following expression.

Monthly sewage treatment capacity = 240 x+200 years (tons)

Annual consumption fee = Question 2: The constraint equation is 240 x+200y“2040 ".

Applicable to 12x+ 10y.

x+y

Discuss integer values