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March 28, 2015

March 28, 2015

Posted by **HELP HELP HELP MNHS** on Wednesday, January 30, 2013 at 3:58am.

with solution pls... tnx...

- math -
**Reiny**, Wednesday, January 30, 2013 at 8:14amDid you make a sketch showing C somewhere between A and B ?

Mark the position of C with x

then AC =x-(-18) = x+18

and CB = 18-x

then (x+18)/(18-x) = 4/5

cross-multiply

5x + 90 = 72 - 4x

9x = -18

x = -2

so C is at -2

check by counting.

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