20 workers are employed to complete a work in 40 days. But some workers leave the job after 16 days of work. The remaining workers complete the work in 46 days from its beginning. How many workers left the job after 16 days?
D₁ = (40-16) = 24 D2=(46-40) =6 Let the M1=x and M2=x-4 M₁D₁ = M2 D2 X × 24 = (20-x) ×6 4x=20-x 5x=20 x=4 Hence, after 16 days 4 workers left work.
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