Question

the average age of two sons and their father is greater than the average age of two sons and their mother by 4 years if the average age of these four person is 19 years and the average age of the two sons is 6 years then the ratio of the age between the father and mother is

Answer 1

Answer:

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Step-by-step explanation:

s1+s2+f/3=s1+s2+m/3+4

s1+s2+f/3=s1+s2+m+12/3

f=m+12

f+s1+s2+m/4=19=> f+12+m=76=>f+m=64=>2m+12=64=>2m=52=>m=26

s1+s2/2=6-> s1+s2=12

So f=26+12=38

ratio=f/m=38/26=19/13