If earning of 30 workers for 12 days is Rs 18900,Find earning of 38 workers for 10 days?

Earning of 30 workers for 12 days = Rs.18900
Then, earning of 30 workers for 1 day = 1890012  = Rs.1575
Then, earning of 1 worker for 1 day = 157530
So, earning of 38 workers for 1 day = 157530×38
Then, earning of 38 workers for 10 days =  157530×38×10 = Rs.19950
Therefore, earning of 38 workers for 10 days is Rs.19950

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