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quankhiem1122
2 năm trước
Có 5 thợ làm 16 sản phẩm hết 6 giờ. Hỏi có 10 thợ muốn làm 48 sản phẩm như thế thì cần mấy giờ? (Coi sức làm là như nhau). A. 4 giờ. B. 30 giờ. C. 1 giờ. D. 9 giờ. mình đang cần gấp nhé.bạn nào làm được mình vote 5 sao
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