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[120] [121] On May 13, 2015, Garmin released the eTrex 20x and 30x, which succeeded the eTrex 20 and 30. The main upgrade was a higher resolution screen and 4GB storage, double of the previous models. [122] On July 2, 2015, Garmin introduced its eTrex Touch line, releasing three models (25, 35 and 35t), all featuring a 2.6" touch screen. [123]
Can you vary or change your problem to create a new problem (or set of problems) whose solution(s) will help you solve your original problem? Search: Auxiliary Problem: Can you find a subproblem or side problem whose solution will help you solve your problem? Subgoal: Here is a problem related to yours and solved before