Althea and her family are driving to Funtastic City for a vacation. They drove 1/4 of the way and stopped for lunch. Then they traveled another 3/8 of the way before stopping at a hotel for the night. What fraction of the total distance do they still need to travel to reach funtastic city?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?