1.listen two these two parts of text 2.write these text into your book,remember,you are just asked to wite the text
3.you don't need to write the question
https://youtu.be/5Ni-ZLHf3HU​

To determine if the model is a true model. Solve for the scaling used for both the measurement across and the width. The scaling of both should be the same.
         (across)     56 ft / 8 in = 7 ft per 1 inch
         (width)       21 ft / 2.5 in  = 8.4 ft per 1 inch
Since, the scalings are not the same then, Sarah's model is not a true model of the bridge.