subject
Mathematics, 17.12.2020 17:20 zhjzjzzj6325

You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate r.

An equation is 42=
.

Question 2
b. Can you use r to find the percent for the sales tax? Explain.

; You
multiply r by
to get the percent for the sales tax.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related
Answers: 1
question
Mathematics, 21.06.2019 17:00
Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?
Answers: 3
question
Mathematics, 21.06.2019 18:00
What is an alternate exterior angle
Answers: 1
question
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
You know the right answer?
You find a sales receipt from a store that shows the total price as $40, and the total amount paid i...
Questions
question
Mathematics, 02.07.2019 12:10
question
History, 02.07.2019 12:10
question
Mathematics, 02.07.2019 12:10
question
Mathematics, 02.07.2019 12:10
question
Mathematics, 02.07.2019 12:20
Questions on the website: 13722359