6. Given that the sum of the prices of 6 roses and 3 carnations is greater than 24 yuan, and the sum of the prices of 4 roses and 5 carnations is less than 22 yuan, then the comparison result of the price of 2 roses and 3 carnations is
(A) The price of 2 roses is higher
(B) The price of 3 carnations is higher
(C) The prices are the same
(D) Uncertain
答 $(\quad)$
6. 【Analysis and Solution】 $\left\{\begin{array}{l}6 x+3 y>24 \\ 4 x-5 y>24, b11 \times 24-12 \times 22=0 . \therefore 2 x>3 y$, choose A.