Erin and Seth want to leave a 20% tip at the restaurant where they just had lunch. Their bill was $23.00 and they are talking about different ways to figure out the final bill with tip. Decide which way will not work, and explain why. Method 1: Multiply 23 by 1.2 $23.00 x 1.2 =

Method 2: Multiply 23 by 0.2 $23.00 x 0.2 =

Method 3: Multiply 23 by 0.2 then add the answer to 23

Method 4: Use a proportion then add x to $23.00