Kevin is 333 years older than Daniel. Two years ago, Kevin was 444 times as old as Daniel. How old is Kevin now?

Question

Kevin is 333 years older than Daniel. Two years ago, Kevin was 444 times as old as Daniel.
How old is Kevin now?

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Bình An 2 months 2021-08-02T09:57:25+00:00 1 Answers 1 views 0

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    2021-08-02T09:58:29+00:00

    Answer:

    Kevin=335.8years old

    Step-by-step explanation:

    K – D = 333

    K – 2 = 400( D – 2 )

    333 + D – 2 = 400D – 800

    D – 400D = – 800 – 331

    – 399D = – 1130

    D = 2.8

    K = 333 + 2.8

    K = 335.8

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