0-3. The ages of Rahul and Laxmi are in the ratio 9: 4, four yeurs later the sum of
their ages will be 60 years. What are their present ages?
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Answer:
Age of Rahul= 9x= 9x 4= 36 years
Age of Laxmi = 4x= 4x4 = 16 years
Step-by-step explanation:
Ratio of ages= 9:4
Let the ages of Rahul and Laxmi be x.
Present ages of
Rahul= 9x
Laxmi= 4x
4 years later the sum of their ages= 60
Age after 4 years
Rahul = 9x + 4
Laxmi = 4x+4
Given, { Don't forget to write the word "Given" as it is very important }
9x+4 + 4x+4 = 60 { equating them }
⇒9x+4 + 4x+4 = 60
13x + 8 = 60
13x= 60-8
13x=52
x= 52/13 { dividing by 13}
x= 4
⇒x= 4
∴ Age of Rahul= 9x= 9x 4= 36 years
Age of Laxmi = 4x= 4x4 = 16 years
Hope it helped you. Do not hesitate to ask if you have any doubt. Take care.
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