Homework Help: Alegabra

Posted by Secret on Tuesday, November 13, 2012 at 1:09pm.

Russell Gossman is training for the Olympics. He wants to know the distance across Lake Royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to another side of the lake is 16 km, what is the approximate length in km of the lake?

Alegabra - Secret, Tuesday, November 13, 2012 at 1:10pm
Oh the possible answers are
9
18
44
87

I think it is 18 but i'm not sure.
Alegabra - linda, Tuesday, November 13, 2012 at 1:34pm
Units of measurements for answers?
Alegabra - linda, Tuesday, November 13, 2012 at 1:37pm
Well if it is km.s then yes it is 18.

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