1st step: Draw the arrows
2nd step: We are suppose to find out how many route can go there. Answer: 1
3rd step: Now the school right and up are all 1 so we are going to draw that.
4th step: This time we are going to find how many routes can go over there. Answer: 2
5th step: Now we are going to find how many routes can go over there. Note: Since the arrow pointing two over there we are supposes to count that 2.
6th step: Ok keep on doing that till you got this.
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2nd step: We are suppose to find out how many route can go there. Answer: 1
3rd step: Now the school right and up are all 1 so we are going to draw that.
4th step: This time we are going to find how many routes can go over there. Answer: 2
5th step: Now we are going to find how many routes can go over there. Note: Since the arrow pointing two over there we are supposes to count that 2.
6th step: Ok keep on doing that till you got this.
7th step: Now you can see 2 arrows pointing 10 so you just need to plus them together to get the answer. 10 + 10 = 20.
Thanks for reading my blog and please see my other two blogs!
http://flemtestic.blogspot.sg/
http://flemingsiow.blogspot.sg/
