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Mathematics, 30.08.2019 00:00 amunnik04

Before sales tax, the classical music cd cost $15.jan gave the clerk a $20 bill and recieved $4.17 change. what is the rate of sales tax? a.9.5% b.4% c.6.25% d.5.5%

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Before sales tax, the classical music cd cost $15.jan gave the clerk a $20 bill and recieved $4.17 c...
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