Answer:
The increase is 9.1%
Step-by-step explanation:
Step 1: Make an equation
[tex]66 * x = 72[/tex]
[tex]66x = 72[/tex]
Step 2: Divide both sides by 66
[tex]66x / 66 = 72 / 66[/tex]
[tex]x = 1.09090[/tex]
Step 3: Find the increased
[tex]1 - 1.09090[/tex]
[tex]0.091 * 100[/tex]
9.1%
Answer: The increase is 9.1%
