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In Perfectville, the streets are all 20 feet wide and the blocks they enclose are all squares of side length 400 feet, as shown. Sarah runs around the block on the 400-foot side of the street, while Sam runs on the opposite side of the street. How many more feet than Sarah does Sam run for every lap around the block?


 

LOL314jnl  Nov 13, 2017

Best Answer 

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Actually I solved it myself:

since every corner have two extra 20 feet (40 feet)

and there are 4 corners, 4*40 = 160ft

LOL314jnl  Nov 13, 2017
 #1
avatar+30 
+2
Best Answer

Actually I solved it myself:

since every corner have two extra 20 feet (40 feet)

and there are 4 corners, 4*40 = 160ft

LOL314jnl  Nov 13, 2017

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