bhrh2006rubyovu73h bhrh2006rubyovu73h

13-12-2017
Mathematics

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

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akaanne98 akaanne98

13-12-2017

maybe you can start with 40x42

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piggieav10 piggieav10

13-12-2017

So they charged $2 for every 40 dollars, so simplify. 2/40 divided by 2 = 1/20 is the unit rate

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