Question 3.3. Marco is selling floral arrangements. Each arrangement uses 1 vase and 11 orchids. Each vase costs Marco $4.00. Let C be the total cost of the arrangement and r be the cost of 1 orchid. Which equation should Marco use to find the total cost of each arrangement?

(Points : 1)
A. 11 = C +4r
B. 11C = r + 4
C. C = 4r + 1
D. C = 11r + 4

Question

Question 3.3. Marco is selling floral arrangements. Each arrangement uses 1 vase and 11 orchids. Each vase costs Marco $4.00. Let C be the total cost of the arrangement and r be the cost of 1 orchid. Which equation should Marco use to find the total cost of each arrangement?

(Points : 1)
    A.   11 = C +4r
   B.    11C = r + 4
   C.    C = 4r + 1
   D.    C = 11r + 4

anonymous · Answer

the answer is D, C = 11r + 4.
C is the total cost, r is the cost of one orchid and 4 is the cost of one vase

anonymous · Answer

do you understand?