应用题,英语!A contractor agreed to finish a project in 50days.He
应用题,英语!
A contractor agreed to finish a project in 50days.He employed 120men who worked 9hours in a day.After 20 days,he found that only 1/3of the project was completed.How many more men should he employ to finish the work on time if each man now worked 10 hours a day?
A contractor agreed to finish a project in 50days.He employed 120men who worked 9hours in a day.After 20 days,he found that only 1/3of the project was completed.How many more men should he employ to finish the work on time if each man now worked 10 hours a day?
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你能帮帮他们吗