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jungbunny

Tom is 4 years older than Jerry. Nine years ago, Tom was 5 times as old as Jerry was then. How old is each now?

  • one year ago
  • one year ago

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  1. Callisto
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    Let x be the age of Tom now. ''Tom is 4 years older than Jerry.'', what is the age of Jerry now? @jungbunny

    • one year ago
  2. jungbunny
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    wait but how do you set up the equation?

    • one year ago
  3. Callisto
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    Just do it step by step. Can you tell me if Tom is x years old now, how old is Jerry?

    • one year ago
  4. meera_yadav
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    hi, can you take jerry's present age be x then tom is four years older that implies tom's age is (x+4) after that talk about nine years before age of both of them.. are you following..?

    • one year ago
  5. jungbunny
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    yup

    • one year ago
  6. meera_yadav
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    nine yearss before, jerry should be of age nine less than his present age , which implies jerry is (x-9) years old then..

    • one year ago
  7. meera_yadav
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    let's talk about tom, his age must also be 9 less than his present age.. all followed ..?

    • one year ago
  8. jungbunny
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    yes

    • one year ago
  9. meera_yadav
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    now, they have in question given a relation relating tom's and jerry's age nine years before... saying that "Tom was 5 times as old as Jerry was then"

    • one year ago
  10. meera_yadav
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    so you simply write it in equation form !!

    • one year ago
  11. meera_yadav
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    okay, tom's age nine years before = (x+4)-9 do you agree..?

    • one year ago
  12. jungbunny
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    yes

    • one year ago
  13. meera_yadav
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    here's the equation ! tom's age nine year before = five times( jerry's age nine years before) this means (x+4)-9 = x_9 solve this...

    • one year ago
  14. meera_yadav
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    sorry that's minus and not underscore in above equation !

    • one year ago
  15. jungbunny
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    ok

    • one year ago
  16. meera_yadav
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    hopefully you understood !!

    • one year ago
  17. jungbunny
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    you have to use distributive proberty right?

    • one year ago
  18. meera_yadav
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    for what ? you know how to solve lenear equations , right ?

    • one year ago
  19. jungbunny
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    not really...i don't remeber how to.

    • one year ago
  20. meera_yadav
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    i'm sorry the equatin is (x+4)-9= 5(x-9) i missed a nine ! and yes darling your right use distributive property !

    • one year ago
  21. jungbunny
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    thank you

    • one year ago
  22. meera_yadav
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    :) you're welcome

    • one year ago
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