If you spent 90 dollars on both flowers (carnations and roses) and carnations cost 2 dollars less than roses,?

Rewrote question..If you spent 90 dollars on both flowers (carnations and roses) and carnations cost 2 dollars less than roses. If you bought 16 more carnations than roses, how many roses would you buy.

If you spent 90 dollars on both flowers (carnations and roses) and carnations cost 2 dollars less than roses,?
There are multiple answers. Not enough information. 4 unknowns and 3 equations = infinite solutions.
Reply:why would i care?
Reply:need more info..... if not I think you can only get 12 roses... per 16 carnations at 90 dollars
Reply:52 I think