The average age of a man and his son is 40 year. The ratio of their ages is 7 : 3 respectively. What is the man age?
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Answered by
15
Let age of men be 7x
age of son be 3x
According to statement
7x + 3x = 40
10x = 40
x = 40/10 = 4
Age of men = 7x = 7×4 = 28
Age of son = 3x = 3 × 4 = 12
age of son be 3x
According to statement
7x + 3x = 40
10x = 40
x = 40/10 = 4
Age of men = 7x = 7×4 = 28
Age of son = 3x = 3 × 4 = 12
Answered by
5
let the ages be 7x and 3x
sum = 10 x
10x =40
x =40/10
x = 4
father age 7×4=28 yrs
son age =3×4 = 12yrs
sum = 10 x
10x =40
x =40/10
x = 4
father age 7×4=28 yrs
son age =3×4 = 12yrs
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