Jan bought a blazer for $39.90. The price of the blazer was $38. What sales-tax rate was she charged for this blazer?
2 answers:
1-38/39.90=0.0476
=0.05
=5 percent
Price for the blazer: $38
Price for the blazer plus tax: $39.90
38x = 39.90
Where x is the sales-tax rate.
Divide both sides by 38
x = 1.05
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