a contracter undertooks a contract to dig a canal of 10 km in 50 days employing 120 men. after 30 days he found that only 4km has been done.. Find how many more men he needs to employ to finish the job on time
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a contracter undertooks a contract to dig a canal of 10 km in 50 days employing 120 men. after 30 days he found that only 4km has been done.. Find how many more men he needs to employ to finish the job on time
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