In a school 640 teachers like either milk or curd or both . The ratio of number of twacher who like milk to the number pf teachers who like

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In a school 640 teachers like either milk or curd or both . The ratio of number of twacher who like milk to the number pf teachers who like curd is 3:2 and 160 teachers like both milk and curd . Find: How many teachers like milk?& How many teachers like curd only.

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Huyền Thanh 6 months 2021-08-18T11:40:54+00:00 1 Answers 5 views 0

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    2021-08-18T11:41:57+00:00

    3+2=5

    Milk =3/5×640 = 384

    Curd 2/5×640 = 256

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )