In the standard NIV, there are 40 books in the Old Testament and 27 books in the New Testament. About 2/3 of the pages of the Bible are used for the Old Testament and about 1/3 are used for the New...
Because it was written first, and is about the first covenant God made with Israel. The New Testament is about the second covenant God made with all Christians, Jewish and Gentile.
Some see prophecies in the Old Testament and believe they were fulfilled in New Testament times. Whether those Old Testament passages were really prophecies is a matter of selective interpretation,...