To get to her grandmother's house, Little Red Riding Hood rst rows a boat along a river at a speed of 10 kilometers per hour and then walks through the woods at 3 kilometers per hour. If she starts from a point that is 5 kilometers south and 14 kilometers west of Grandma's house, at what point along the river should she dock her boat so that she can reach the house in a total of exactly 4 hours? Assume that all paths are straight paths.Use the following gure. Grandma's house Select one: a. 6.646 km east of the starting point b. 10.097 km east of the starting point c. 4.646 km east of the starting point ' d. 9.354 km east of the starting point r e. 3.903 km east of the starting point