Jill biked at 10 mph for 3Hrs and then walked at 4 mph for 2 Hrs, what was Jill's average speed for the entire trip?
#TJ #SSAT #HSPT #blair
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.
Jill biked at 10 mph for 3Hrs and then walked at 4 mph for 2 Hrs, what was Jill's average speed for the entire trip?
#TJ #SSAT #HSPT #blair