On Saturday, Andy Jameson wishes to visit his grandparents' home, his best friend's home, and also make a trip to the music store. He estimates the distances among these locations as follows: Andy's home to grandparents' home is 5.5 miles; Andy's home to best friend's home is 8 miles, Andy's home to music store is 2.5 miles; Andy's grandparents' home to best friend's home is 7 miles; Andy's grandparents' home to music store is 12 miles; best friend's home to music store is 4.5 miles. What is the minimum distance Andy can travel to visit his three destinations and return home?
A. 29.5 mi

Question

On Saturday, Andy Jameson wishes to visit his grandparents' home, his best friend's home, and also make a trip to the music store. He estimates the distances among these locations as follows: Andy's home to grandparents' home is 5.5 miles; Andy's home to best friend's home is 8 miles, Andy's home to music store is 2.5 miles; Andy's grandparents' home to best friend's home is 7 miles; Andy's grandparents' home to music store is 12 miles; best friend's home to music store is 4.5 miles. What is the minimum distance Andy can travel to visit his three destinations and return home? 
 A. 29.5 mi

anonymous · Answer

19.5

anonymous · Answer

Because there is no priority for which place is the first, so you can make a order always the longest one, the order is Andy's home -> music store(2.5) -> best friend's home(4.5)->grandparents' home(7)->home(5.5) => 2.5 + 4.5 + 7 + 5.5 = 19.5