Question

5. Sunil is presently x years old. In five years time, he will be three times as old as he was three years ago.
What is the equation for above problem?
6. Ravi is presently y years old. In four years time, he will be three times as old as he was eight years ago.
Frame the equation for above statement.​

Answer 1

Step-by-step explanation:

5 .Equation is

 X +5=3(x-1)

after 5 years =x+5

 one years ago=x-1.

6.  Ravi's age:- y years.

  Ravi' s age after 4 years:- (y + 4) years.

   A.T.Q,

   (y+4) = 3(y-8).

    y+4 = 3y-24.

    y-3y= (-4-24).

      -2y= -28.

      y = -28/-2

       y = 14

   Ravi's present age is 14 years

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