英语翻译there are 45 items which are either right or wrong.Each

英语翻译
there are 45 items which are either right or wrong.Each correct answer is worth one mark,giving a total of 45 marks which are then weighted to produce a score out of 30.This is done to ensure that each paper contributes equally to the final score.
知道大概意思,但是觉得很别扭