A test consists of $$80$$ questions. $$4$$ marks are awarded to each correct answer and $$2$$ marks are deducted for each wrong answer or for each unanswered question. Jay answered all the questions and scored a total of $$152$$ marks for the test. How many questions did he answer correctly? 
Overseas Competition->Knowledge Point->Word Problem Modules->Chicken-Rabbit Problems->Solving Chicken-Rabbit Problems by Using Hypothesis