SOLUTION: point m is on segment an and point n is on segment bm. the length of segment ab is 18 in and am:mn:nb=1:2:3. find mn

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Question 1122008: point m is on segment an and point n is on segment bm. the length of segment ab is 18 in and am:mn:nb=1:2:3. find mn
Answer by Alex.33(110) About Me  (Show Source):
You can put this solution on YOUR website!
"point m is on segment an and point n is on segment bm. " we know it's like this.
A-M-N-B

Since "am:mn:nb=1:2:3" it's like this.
A-M--N---B

MN=2*18/(1+2+3)=6