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.

A Word Problem for TJ Admission Exam/SAT Prep (Hard). Target Time. 35-50 seconds.

A village is located at the center of a dense forest. The population of Coyotes is distributed as follows:50% of the coyotes are located with two miles of the village center, 40% coyotes are located at a distance of 2 to 4 miles from the village center, and the remaining 10% of the coyotes are located between 4 to 5 miles from the city center. What is the ratio of the population density of the coyotes in the area less than 2 miles of the village center to the population density between 4 and 5 miles from the city center?

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