5該將這句英文轉做中文....THX!!!!!!
1.
In a multiple-choice test , there are 15 questions . For each question , 5 marks are given for a correct answer , 3 marks are deducted for an incorrect answer and 2 marks are deducted for no answer . John attempts 12 questions , and only answers 6 questions correctly . Find his final score .
請清楚回答問題!!!!!!!THX!!!!!!!!!!*0*