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jungbunny

  • 3 years ago

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?

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  1. Callisto
    • 3 years ago
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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

  2. jungbunny
    • 3 years ago
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    wait but how do you set up the equation?

  3. Callisto
    • 3 years ago
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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?

  4. meera_yadav
    • 3 years ago
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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..?

  5. jungbunny
    • 3 years ago
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    yup

  6. meera_yadav
    • 3 years ago
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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..

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

  8. jungbunny
    • 3 years ago
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    yes

  9. meera_yadav
    • 3 years ago
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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"

  10. meera_yadav
    • 3 years ago
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    so you simply write it in equation form !!

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

  12. jungbunny
    • 3 years ago
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    yes

  13. meera_yadav
    • 3 years ago
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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...

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

  15. jungbunny
    • 3 years ago
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    ok

  16. meera_yadav
    • 3 years ago
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    hopefully you understood !!

  17. jungbunny
    • 3 years ago
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    you have to use distributive proberty right?

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

  19. jungbunny
    • 3 years ago
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    not really...i don't remeber how to.

  20. meera_yadav
    • 3 years ago
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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 !

  21. jungbunny
    • 3 years ago
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    thank you

  22. meera_yadav
    • 3 years ago
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    :) you're welcome

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