SOLUTION: A son's age is half of his mother's age. The mother is 5 years younger than the father. Their total age is 100 years. How old is each of them ?😭

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Question 1045522: A son's age is half of his mother's age. The mother is 5 years younger than the father. Their total age is 100 years. How old is each of them ?😭
Found 2 solutions by advanced_Learner, addingup:
Answer by advanced_Learner(501)   (Show Source): You can put this solution on YOUR website!
let s be son age,m be mother age and f be father age.
=eq 1

eq 2

= eq3


=
=
=



from eq2
eq 2


from eq 1
=eq 1
=
=
so
son is 19,mom is 38 and father is 43

Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
son = 1/2 mother
father = m+5
s+f+m = 100 substitute
1/2m+m+5+m = 100
2 1/2m+5 = 100
2 1/2m = 95
m = 95/2.5 = 38 the mother is 38
The son is 1/2 mother, so he is: 38/2 = 19
The father is 5 years more than mom: 38+5= 43
-------------------------------
Check:
38+19+43 = 100 Correct
:
John

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