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.
Answers: 2
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You find a sales receipt from a store that shows the total price as $40, and the total amount paid i...
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