How to Use "quadruple" with Example Sentences

1. Officials say they will quadruple the city 's industrial and agricultural output by the year 2000 .
2. G.m.s sales in china in the first half of 2010 were quadruple those of the ford motor company .
3. Mr zheng plans to quadruple the number of 7 days inns in china this year to 400 , from slightly more than 100 last year .
4. So it is that russia is considering plans to quadruple excise duties on beer by 2012 .
5. The group also estimates that revenue generated by those industries will more than quadruple to $ 4.5 trillion in that time .