I have three books and CDs. Does this mean I have three books and three CDs? Or are there three items in total? Are both possible? I am asking for a native speaker's opinion.
I have 10 beans. Jim has four times more. Is this a valid sentence? And, if so, does it mean Jim has 40 or 50 beans?
I saw it in a text book, and a similar problem that also appeared in the book is "3 times faster", which is already asked. Simply speaking, the book says: Unfortunately, it increases the CPI by ...