1
ALMultiple Choice

Inverse Variation

Question 1 • EAP-Algebra Functions and Data Analysis B

If 4 workers can paint a room in 3 hours, then approximately how long does it take 6 workers to paint the same room? Assume the time needed to paint the room is inversely proportional to the number of workers.

Answer
A
12 hours
B
2 hours
C
3 hours
D
4 hours

Explanation

The total work is 4 workers × 3 hours = 12 worker-hours. With 6 workers, the time is 12 ÷ 6 = 2 hours, so the correct choice is “2 hours.”

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