the answer is a actually C(n) =0.5n-3 ; $9.70 and an equation for 20 yogurts is 20(n)=c50-30 i did this once and my answer was similiar to this.
Answer:
Step-by-step explanation:
3x + y = 7
-2x - y = 9
x = 16
answer is B
3(16) + y = 7
48 + y = 7
y = -41
Answer:
D
Step-by-step explanation:
17 and 11 are numbers while all 3 other equations have either x or n.
Answer:
80
Step-by-step explanation: