SOLUTION: Tijuana sold 56 total flowers. She sold roses for $4 each and carnations for $3 each. She made $192 total. How many roses did she sell? How many carnations did she sell?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Tijuana sold 56 total flowers. She sold roses for $4 each and carnations for $3 each. She made $192 total. How many roses did she sell? How many carnations did she sell?       Log On


   

Question 838058: Tijuana sold 56 total flowers. She sold roses for $4 each and carnations for $3 each. She made $192 total. How many roses did she sell? How many carnations did she sell?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.R%2BC=56
2.4R%2B3C=192
Multiply eq. 1 by -4 and add to eq. 2,
-4R-4C%2B4R%2B3C=-224%2B192
-C=-32
C=32
Then from eq. 1,
R%2B32=56
R=24
24 roses and 32 carnations.