Question

A is 10 years older than B and B is 15 years younger than C. If the sum of their ages is equal to their father's age, who is 40 years old, find their present age.​

Answer 1

Answer:

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Answer 2

The age of A = 15 years

The age of B = 5 years

The age of C = 20 years

Step-by-step explanation:

Let the age of B is x years

Let the age of A is (x+10) years

Let the age of C is (x+15) years

the father age is 40 years (Given)

According to question

$A+B+C=40\\x+10+x+x+15=40\\3x+25=40\\3x=15\\x=5$

Put the value of x

age of A = (x+10) = (5+10) = 15 years

age of B = x = 5 years

age of C = (x+15) = (5+15) = 20 years