A child crawls 20 ft towards north , turns right and crawls 30 ft, turns right again and crawls 35 ft. He turns left now and crawls 15 ft. He turns left again and crawls 15 ft . Finally he turns to his left to crawl another 15 ft. how far is he from his starting point and in which direction? Choose the correct choice:	A) 45 ft north-east	B) 30 ft east	C) 30 ft west	D) 15 ft west	E) None
Considering every move of a child straight one, if in (x,y) coordinates, starting point is (0,0), then given 6 moves can be represented as:   1) 20 ft. towards north ---&gt; (0,20)   2) 30 ft. towards right ---&gt; (30,20)   3) 35 ft. towards right ---&gt; (30,-15)   4) 15 ft. towards left ---&gt; (45,-15)   5) 15 ft. towards left ----&gt; (45, 0)   6) 15 ft. towards left ----&gt; (30, 0)   So child is at 30 ft. from his starting point towards east.   ANSWER:30 ft east
<result>B</result>
A child crawls 20 ft towards north , turns right and crawls 30 ft, turns right again and crawls 35 ft. He turns left now and crawls 15 ft. He turns left again and crawls 15 ft . Finally he turns to his left to crawl another 15 ft. how far is he from his starting point and in which direction?