The figure shows a trapezoid ABCD with lengths (2a + 3) and (2a + 9) and height b. If a rectangle PQRS, with area equal to the area of ABCD has a width of 1/3 b, in terms of and b, what is the length of the rectangle PQRS?

# 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.