David is selling floral arrangements. Each arrangement uses 1 vase and 12 roses. Each vase costs David $2. let C be the total cost of the arrangements and r be the cost of 1 rose. which equation should David use to find the total cost of each arrangement?
12C=r+12
C=2r+12
12=C+2r
C=12r+2

Respuesta :


........answer is C=12r+2
12r+2 would be the answer