Jill estimated that if she drives at 40 MPH she will be 1 Hr late and if she drives at 60 MPH she will be 2 Hrs early. How miles long is Jill's trip and what should be Jill's speed (MPH) so that she arrive on time?
TJ Prep Problems
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.