11. A blueprint for a fence has a scale of 1:40. The fence in the blueprint is

Mathematics
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11. A blueprint for a fence has a scale of 1:40. The fence in the blueprint is 6 in. What is the length of the actual fence?
 
A.72 feet
B.20 feet
C.20 inches
D.240 fee
May 1st, 2015

The blue print has a scale of 1:40. So every 1 inch represents 40 inches of the actual size.

so 6 inches represent 40*6 inches of the actual table = 240 inches

12 inches = 1 feet

so 240 inches = 240/12 = 20 feet.

Please let me know if you have any other questions and best me if you are satisfactory. 

May 1st, 2015

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