Answer:

Step-by-step explanation:
<u>Step 1: Add 79 to both sides</u>


<u>Step 2: Subtract 2x from both sides</u>


<u>Step 3: Divide 8 from both sides</u>


Answer: 
Answer:
look it up online
Step-by-step explanation:
look it up online
Answer: 3/11 would be the answer
Answer:

Step-by-step explanation:
Given


Required
Determine the percentage of the tip
First, we calculate the amount paid



The percentage of the tip is then calculated using:




