first 1/8 then 4/8 and lastly 7/8
They used the river for trade, transportation, and agriculture
Answer:
5+x=y ,x-y=5,y-x=5,5-x=y,y+5=x
Step-by-step explanation:
You just have to figure it where you can place 2 solid lines and get 10 triangles ( i can only get 9). Think about the pentagon in the middle of the triangles and see if somehow you can create more triangles using only the two straight lines.
