A blueprint for a picnic table has a scale of 1:20. The table in the blueprint

Mathematics
Tutor: None Selected Time limit: 1 Day

 A blueprint for a picnic table has a scale of 1:20. The table in the blueprint is 3 in. long. What is the length of the actual picnic table?
 
A.60 feet
B.5 feet
C.5 inches
D.720 feet
May 1st, 2015

The blue print has a scale of 1:20. So every 1 inch represents 20 inches of the actual size.

so 3 inches represent 20*3 inches of the actual table = 60 inches

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

May 1st, 2015

60 inches or feet?

May 1st, 2015

12 inches = 1 feet

so 60 inches = 60/12 = 5 feet.

May 1st, 2015

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