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Ravish tells his daughter Aarushi, "Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be".. If present ages of Aarushi and Ravish are x and y years respectively, represent this situation algebraically as well as graphically. |
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Answer» Answer: This is verified AnswerStep-by-step EXPLANATION:Present Age of Ravish =yPresent Age of Aarushi =xAccording to QUESTION7 YEARS AGO,y−7=7(x−7)⇒7x−y−42=0.............(1)and 3 Years from nowy+3=3(x+3)⇒3x−y+6=0............(2)From (1) and (2)(1)−(2)⇒7x−3x−y+y−42−6=0⇒4x=48⇒x=12putting x=12 in Equation (2)we get,3×12−y+6=0⇒y=42ANSWER :Y =42 |
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