Jaidee made her trip to the train station and back. the trip there took two hours and the trip back took five hours. she averaged 30 mph faster on the trip there than on the return trip. what was jaidee's average speed on the outbound trip?

1. minimum

2. 6400

3. eight

hope this !

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have