Question

the average age of a person and his son is 30 years the ratio of their ages is 4 ratio 1 respectively find the age of son​

Answer 1

Answer:

age of son = x = 12

Step-by-step explanation:

sum of person and sun = 30x2= 60

their ratio = person:son = 4:1

let person be 4x

and

son be x

= (4x) + (x) = 60

= 5x = 60

= 60/5 = x

= x=12

age of son = x = 12

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Answer 2

Answer:

12year

Step-by-step explanation:

let the age of father 4x and the age of son X

according to the question average of their age 30yesr

4x+X/2=30

5x/2=30

5x=30×2=60

X=60/5=12

hence,the age of the son 12 years