PRC-2 · Chapter 4 · Question 29 of 60
A workshop uses 3 machine hours to produce one unit of Alpha (x) and 4 machine hours for Beta (y). The total machine hours available per week is 120. Which inequality represents this?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 3x + 4y ≤ 120
Explanation
The total machine hours consumed is (3 * x) plus (4 * y). Because the factory cannot use more hours than it has available, this total must be less than or equal to (≤) the 120 available hours.
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