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March 27, 2017

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Mr. Jacob is 55 years old and Tony is 7 years old. In how many years will Mr. Jacob be 4 times as old as Tony? Please help me solve this.

  • Math Grade 5 - ,

    real easy with algebra ....

    55+x = 4(7+x)
    55+ x = 28 + 4x
    27 = 3x
    x = 9

    but grade 5 ????

    make two colums of their ages, going up one at a time, until the first is 4 times the second
    55 7
    56 8
    57 9
    58 10
    59 11
    60 12
    61 13
    62 14
    63 15
    64 16 ---- ah, 64 = 4(16) ---> 55+9 = 4(7+9)

  • Math Grade 5 - ,

    I am a parent,my son is in g-5. i do try to help in homework. i do no have a tuturor.the answer is right

  • Math Grade 5 - ,

    I'm I pretty smart student and the answer is correct.

    Algebra:
    55+x = 4 (7+x)
    55+ x = 28 + 4x
    27 = 3x
    x = 9

    And if your grade 5
    👇🏻👇🏻👇🏻 👇🏻👇🏻👇🏻

    Make two columns

    Mr. Jacob Tony 9 more years tony will be
    55 7 16
    56 8
    57 9
    58 10 Mr. Jacob will be 64
    59 11
    60 12
    61 13
    62 14
    63 15
    64 16➖➖➖ 64=4(16) 55+9 (7+9)

  • Math Grade 5 - ,

    where did you get the 3x from in order for it to be in the equation

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