Answer by 8hantanu for Word Problem Related to Quadratic Equation
If $x$ is father's current age. Since the years passed would be $x-y$ for the age of son to reach his father's age, then son's age will be $x$ and age of father will be $x+(x-y)=2x-y$...
View ArticleAnswer by user371838 for Word Problem Related to Quadratic Equation
The son then has to be $x $ years of age. The time elapsed for this to take place is $x-y $ years. So the father should be of age $x+(x-y)=2x-y $ years. Thus we have, $$ \text {Father's age} +\text...
View ArticleAnswer by Ross Millikan for Word Problem Related to Quadratic Equation
Hint: how many years does it take the son to reach his father's current age (depending on $x,y$)? The son is then $x$ years old. How old is the father at that time? Now use the sentence about $84$.
View ArticleWord Problem Related to Quadratic Equation
The product of the ages of a father and his son is $180$ years. When the son becomes as old as his father is now, the sum of their ages will be $84$ years. Find their present ages.My Attempt:Let the...
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