Answer :
Answer: $20.56
Step-by-step explanation:
Let's take our given total and use this equation
25.70(n)
n will equal 0.80 in this case, as they left a 20% tip so we need to find out what 80% of 25.70 is first
[tex]25.70(0.80)[/tex]
$20.56 is the total without the tip!