Deepak tells his daughter Leena, “ Seven years ago, I was seven times as old as you were then”. If present ages of Deepak and Leena are x yr

Question

Deepak tells his daughter Leena, “ Seven years ago, I was seven times as old as you were then”. If present ages of Deepak and Leena are x yrs and y yrs respectively then i) Write the linear equation to represent this information.ii) Write its two solutions.

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Autumn 5 months 2021-12-21T21:06:22+00:00 2 Answers 0 views 0

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    0
    2021-12-21T21:07:39+00:00

    Step-by-step explanation:

    let Deepak’s age =x

    daughter’s age=y

    seven years ago means x-7,y-7.

    as given,

    1st question answer: x-7=7(y-7)

    2nd question answer: if y=12 then x=42

    if y=13then x=48

    solutions are(42,12)(48,13)

    0
    2021-12-21T21:08:07+00:00

    Answer:

    Step-by-step explanation:

    1). ATQ, Deppak’s present age= x yrs

    leena’s present age=Y yrs

    leena’s age 7 yrs ago= Y-7—–1

    then, atq deepak’s age 7 yrs ago will be= 7(Y-x) …….2

    these r the eq representing the info given in the q.

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