Q. The sales tax rate is 10%. If Rose buys a picture frame priced at $3, what will be the total cost including tax? $____
Calculate Sales Tax: Step 1: Calculate the sales tax amount.To find the sales tax, multiply the price of the item by the tax rate.Calculation: $3×10%=$0.30
Add Tax to Total Cost: Step 2: Add the sales tax to the original price to find the total cost.Add the tax amount to the original price to get the total cost.Calculation: $3+$0.30=$3.30
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