八點四十五用英語怎麼表達

例句：

He has the backing of almost a quarter of the electorate.

他有將近四分之一的選民的支援。

A quarter of current inmates have committed violent crimes.

四分之一的在押囚犯實施過暴力犯罪。

Hourly output by workers declined 1.3% in the first quarter.

工人每小時的產量在第1季度下降了1.3%。