![subject](/tpl/images/cats/mat.png)
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](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
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](/tpl/images/cats/mat.png)
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](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
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](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/istoriya.png)
History, 02.07.2019 12:10
![question](/tpl/images/cats/biologiya.png)
Biology, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/en.png)
English, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 12:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 02.07.2019 12:20