Free SAT Practice Question

Question 1 of 1
ID: DSAT-MATH-AG-004
Section: Digital SAT Math - Algebra
Topics: Linear equations in two variables; MCQ
Difficulty level: Medium

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Assembler machine A packs phone boxes at a rate of \(x\) boxes per hour, while assembler machine B packs identical phone boxes at a rate of \(y\) boxes per hour. In a day, machine A packs 200 boxes, machine B packs 300 boxes, and together they work for 30 hours. Which equation represents this situation?
A\(200x + 300y = 30\)
B\(\frac{1}{200}x + \frac{1}{300}y = 30\)
C\(30x + 30y = 500\)
D\(\frac{200}{x} + \frac{300}{y} = 30\)
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