Question 131035: for a wedding, mia bought several dozen of roses and several dozen carnations. the roses cost $15 per dozen, and the carnation cost $8 per dozen. mia bought a total of 17 dozen flowers and paid a total of $192. how much roses did she buy? Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! C+R=17 OR C=17-R
15R+8C=192. NOW REPLACE C WITH (17-R) & SOLVE FOR R
R=8 DOZEN ROSES WERE BOUGHT.
17-8=9 DOZEN CARNATIONS WERE BOUGHT.