$169, you do 10% and times it 3 times to get 30 then add 9
Answer:
ac + 4 = b
Step-by-step explanation:
Step 1: Write equation
a = (b - 4)/c
Step 2: Multiply both sides by <em>c</em>
ac = b - 4
Step 3: Add 4 on both sides
ac + 4 = b
685,000,000 would be the right number. Hope this helps!