Oh the possible answers are
9
18
44
87
I think it is 18 but i'm not sure.
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?
3 answers
Units of measurements for answers?
Well if it is km.s then yes it is 18.