SOLUTION: If am half my mothers age,my dad being 5 yrs older than my mom and when we add up our ages it makes 100,how old am i,my dad and mom?

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Question 893844: If am half my mothers age,my dad being 5 yrs older than my mom and when we add up our ages it makes 100,how old am i,my dad and mom?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I=M%2F2
D=M%2B5
I%2BD%2BM=100
Substitute,
M%2F2%2B%28M%2B5%29%2BM=100
M%2B2%28M%2B5%29%2B2M=200
M%2B2M%2B10%2B2M=200
5M=190
M=38
Then,
I=38%2F2
I=19
and
D=38%2B5
D=43