The Salem High School science department can spend no more than 1,600 on textbooks this year the department needs to buy both biology textbooks with cost $55 a piece and chemistry textbooks which cost $87 a piece right the i n e q u a l i t y in standard form that describes the situation use the given numbers in the following variables X is the number biology textbooks and why is the number of chemistry textbooks
Let X be the number of biology textbooks and Y be the number of chemistry textbooks.
The cost of X biology textbooks is 55X.
The cost of Y chemistry textbooks is 87Y.
Since the total cost cannot exceed $1,600, the inequality is:
55X + 87Y ≤ 1600