Answer:
C = 16
Step-by-step explanation:
Substitute r = 8 into the equation for C, hence
C = 2r = 2 × 8 = 16
Answer:
C=16
Step-by-step explanation:
If I cunderstand your question I think the equation is
[tex]C=2r[/tex]
If we sub 8 in for r, we get
[tex]2 *8=C[/tex]
