How do I answer this question

Answer:
Answer:
r=4031.353861
Step-by-step explanation:
Simplifies to:
51000=12.650837r
Let's solve your equation step-by-step.
51000=12.650837r
Step 1: Flip the equation.
12.650837r=51000
Step 2: Divide both sides by 12.650837.
12.650837r /12.650837 = 51000 /12.650837
r=4031.353861