SOLUTION: jim is half his mother's age, his mother is 5 years younger than his father, in total their ages are 100 years. what is jim's age?

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Question 800104: jim is half his mother's age, his mother is 5 years younger than his father, in total their ages are 100 years. what is jim's age?
Answer by mhel12jhane(6) About Me  (Show Source):
You can put this solution on YOUR website!
jim= 1/2(x-5)
mother= x-5
father= x
1/2(x-5)+x-5+x=100
2( 1/2(x-5)+x-5+x=100 )2
x-5+2x-10+2x=200
5x=200+15
5x=215
x=43
jim is 19 years old