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791197
791197
10.09.2019 • 
Mathematics

In some states, you pay a sales tax on items you purchase. a sales tax is a percent of
what a customer pays for an item that costs c dollars. the expression 0.07(c -0.050)
represents the amount of sales tax in a certain state that would be collected on an
item that has been discounted by a certain percent. the expression has two factors.
what is the sales tax percent?

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