Question

22. I = Prt; P

What do I first? It says to solve the equation for the given variable.

Answer 1

the first thing you need to do is

divide the whole equation by rt as shown below

`(i)/(rt) = (prt)/(rt)`

then you cancel out. leaving

`(i)/(rt) = p`

which is the same as

`p = (i)/(rt)`