Question

A blueprint is drawn using a scale of 2 mm over 25 ft. What length is represented by 1 mm?

A) 12.5 ft
B) 50 ft
C) 10.5 ft
D) 23 ft

Answer 1

so we know that the scale used is of 2mm over 25 ft  what mean that to 

2 mm --------------------- 25 ft
1 mm --------------------- x ft
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 x = 1*25/2 = 12,5 ft

so result that choice A) is right sure