Question

sdf

Answer 1

C.b? With a decimal?

Answer 2

Okay, making sure.

Answer 3

Well, you would have to do a substitution. So we have
10 = cb^(-1) to start off with. What I did is solve for c by dividing both sides by b^(-1). Once you get your answer for c, you would substitute that value into the 2nd equation of
(5/4) = cb^(2).

Answer 4

Yeah, sure. Ill give an example with some different numbers, that way you can try it yourself after :3

Answer 5

I didnt quite finish the problem, but that would be the process. Youd do the exact same thing with your problem.