Raju is 19 years younger than his cousin. After 5years, their ages will be 2:3. Find their present ages.
Subject- Mathematics
Std- 7th
Chapter- Linear Equations
Book- Mathematics for class 7(Book by R.S Agrawal)
Hello
please answer fast
@Aparna Priyadarshini
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Answer:
Lets take Raju's cousin's age be n yrs
Therefore Raju 's age = n - 19
• According to the Question :
= (n - 19) + 5/n + 5 = 2/3
= 5 + n - 5 + 19/n + 5 = 2/3
= 5 + n - 14/n + 5 = 2/3
= 15 + 3n - 42/2n + 10
= - 37 + 3n = 2n + 10
= - 37 - 10 = 2n - 3n
= - 47 = - n
= n = 47
Raju cousin age after 5 yrs = 47 + 5 = 52yrs
Raju age = 52 - 19 = 33yrs
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