find the tip amount only. $20 lunch; 20% tip
find the tip amount only. $20 lunch; 20% tip
Answer
# Explanation:
## Step1: Convert percentage to decimal
To find 20% of a number, convert 20% to a decimal. 20% = 0.20.
## Step2: Calculate tip amount
Multiply the cost of lunch by the decimal - form of the tip percentage. The cost of lunch is $20, so the tip amount is $20×0.20 = $4.
# Answer:
$4