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Question
Difficulty Level:

Easy

MCQ

A university will spend at most 4,5004,500 dollars to buy monitors and keyboards for a computer lab. Each monitor will cost 250250 dollars, and each keyboard will cost 5050 dollars.
Which inequality represents all possible combinations of xx, the number of monitors, and yy, the number of keyboards, the university can buy for the computer lab?

Select all that apply :

250x+50y4,500 250 x+50 y \leq 4,500

250x+50y<4,500 250 x+50 y< 4,500

50x+250y<4,500 50 x+250 y< 4,500

50x+250y4,500 50 x+250 y \leq 4,500

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