# physics

posted by Josh

In a city grid, each block on the east-west streets is 100 meters long. Each block on the north-south streets is 20 meters long. A walker walks 4 blocks west and then 4 blocks south. How much father did the walker travel than the actual distance between the start and end points?
A) 79m
B) 80m
C) 60m
D) 72m
E) 66m

1. Elena

D)
{4•100 +4•80} – sqrt(400² +80²) = 72 m

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