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.

TJ Prep - A Medium Algebra Problem. Target Time 50 sec.

The ratio of the ten's digit to the one's digit in a two digit number is 3:2. If the digits are reversed the new two digit number is 27 less than the original number. What was the original number. Solve by writing an equation.