A constructor estimates that 3 people can paint Mr. khans house in 4 days. If he

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✪ Choose the correct option.

A constructor estimates that 3 people can paint Mr. khans house in 4 days. If he uses 4 people instead of 3,how long will they take to complete the job?

A. 4
B. 2
C. 3
D. 5

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