Anna is x years old and her sister, Jane, is y years younger. 1) How old is Jane? 2) How old was Anna 3 years ago? 3) How

Question

Anna is x years old and her sister, Jane, is y years younger.
1) How old is Jane?
2) How old was Anna 3 years ago?
3) How old will Jane be in 5 years?
4) What is the sum of their current ages?
I know it’s a lot but please help me 🙂

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Cherry 3 years 2021-07-31T20:18:57+00:00 1 Answers 12 views 0

Answers ( )

  1. taiduc
    0
    2021-07-31T20:20:02+00:00
    Reply

    1) Jane is (x – y) years old

    2) Anna was (x – 3) years old 3 years ago

    3) Jane will be (x – y + 5) years old in 5 years

    4) The sum of their current ages is (2x – y) years

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