If the volume of a sphere is reduced by 87.5%, what must be the % reduction in the radius of the sphere? Hint. You should think about how to solve it without using the formula for the volume of the sphere. If you use the most efficient method, you can solve this question in 15-20 seconds.

# TJ Prep Problems

TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.