C=2d+10
Anytime we have more unknowns than equations, we will have infinite answers.....for instance
[ d, C ] =
[1, 12]
[2, 14]
[3, 16]
[4, 18]..........etc.......
Divide themm?
If so,
D=5
Good night CPhil, and anonymous4338!!!
:)
Goodnight, Hayley......!!!!!