Multiply the price of the meal by the sales tax. Tips are added in after tax has been applied, so it would not be added in to calculate the tax.
Tax= Meal Cost * Tax %
=$80 * 7%
convert % to decimal (7% ÷ 100)
=80 * 0.07
=$5.60 sales tax paid
ANSWER: $5.60 was the sales tax the customer paid.
Answer:
y =8
Step-by-step explanation:

Two angles that add up to 180 is supplementary
Answer:
The correct option is D.
Step-by-step explanation:
The given equation is

According to the addition property of equality
and
are equivalent equations.
Use addition property of equality, add 3x on both the sides.


Therefore Sam's work is incorrect because he make calculation mistake.
According to the subtraction property of equality
and
are equivalent equations.
Use subtraction property of equality, subtract 5x from both the sides.


Therefore Roy's work is correct because he used subtraction property.
Option D is correct.