sonali's age is x years. monali's age is twice sonali. sum of their ages is 56. which of the following is a correct equation.
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Answer:
Sonali’s present age = 5x years
Monali’s present age = 3x years
According to the question,
After 5 years,
5x + 5
=
10
3x + 5 7
⇒
x + 1
=
2
3x + 5 7
⇒ 7x + 7 = 6x + 10
⇒ 7x – 6x = 10 – 7
⇒ x = 3
∴ Monali’s present age = 3x
= 9 years
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