So, we want to find out how much Sara ran. We are given this:
Sara total=Jasons Run *4/5
We know how much Jason ran, he ran 5/7 or about 71%
Sara ran 4/5 of that, or about 80%
We simply multiply .71 by .80
.71 * .80
=.568
We get 57%, so Sara ran 57% of the tracl
