define breath rate,What is the normal range of breathing rate in an average adult person at rest?
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define breath rate,What is the normal range of breathing rate in an average adult person at rest?
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Given:
Ratio of Diva's age to Namrata's age = 3 : 4.
Let the age of diva be 3x and that of namrata be 4x.
Also,
Ten years ago diva was 1/2 the age of namrata.
Namrata's age before 10 years = 4x - 10 years.
Diva's age before 10 years = 3x - 10 years.
According to the above condition,
⟹ 3x - 10 = 1/2 * (4x - 10)
⟹ 3x - 10 = 1/2 * 2 * (2x - 5)
⟹ 3x - 10 = 2x - 5
⟹ 3x - 2x = - 5 + 10
⟹ x = 5
Hence,
Namrata's age = 4x = 4(5) = 20 years.
Diva's age = 3x = 3(5) = 15 years.
Now,
Sum of their ages = 20 + 15 = 35 years.
∴ The sum of their ages is 35 years.