Answer:
0.16
Step-by-step explanation:
Answer:

Step-by-step explanation:
To isolate r, we're going to need to do some algebraic manipulation.

Multiply both sides by r:

Divide both sides by a:

Hope this helps!
Answer:
i don't know
Step-by-step explanation:
so i have 20 the answer i thin
It’s 46 hope that helps I don’t know how to put a picture of the work I did on here but I ta 46