Petra wants to represent a distance of 400 miles on a piece of notebook paper that is 8.5 inches wide and 11 inches long. she wants to use a scale of 1 in. = 20 mi.

can petra make this scale drawing? why or why not?

give an example of a scale that petra could use. use the form of 1 in. = ? mi for the scale

First, we take into consideration the longest distance from one corner of the notebook to another. That is the diagonal of the notebook,
                                         d² = (8.5 in)² + (11 in)² = 13.90 inches
For 400 miles, we convert this to inches using the original scale.
                                   (400 miles)(1 in/20 miles) = 20 in
Since, the longest distance is only 20 inches, therefore it is impossible for Petra to represent the distance.
An example of scale that Petra could use is 1in = 40 miles. 

10 will be the number of adult tickets and 11 will be the number of children tickets. i hope i could ! good luck : )