SOLUTION: on a blueprint of a park, 1 foot represents 1/2 mile. If an error of 1/2 inch is made in reading the blueprint, what will be the corresponding error on the actual park?

Algebra ->  Proportions -> SOLUTION: on a blueprint of a park, 1 foot represents 1/2 mile. If an error of 1/2 inch is made in reading the blueprint, what will be the corresponding error on the actual park?      Log On


   

Question 607069: on a blueprint of a park, 1 foot represents 1/2 mile. If an error of 1/2 inch is made in reading the blueprint, what will be the corresponding error on the actual park?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

on a blueprint of a park, 1 foot represents 1/2 mile.

Let X represent the error on the actual park if  1/2" blueprint error were made

 12in%2F.5mi+=+.5in%2FXmi    |Cross Multiplying to solve

    12X = .25

      X = .25/12 = .02mi