To find the total of Natasha's online purchase, we need to calculate the cost of the plate holders, apply the discount, and then add the shipping and handling fee.
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Calculate the total cost of the plate holders before discount:
- Large holders: 3 holders × $4.95 each = \( 3 \times 4.95 = 14.85 \)
- Medium holders: 2 holders × $3.25 each = \( 2 \times 3.25 = 6.50 \)
- Small holders: 2 holders × $1.75 each = \( 2 \times 1.75 = 3.50 \)
Now, we sum these amounts: \[ 14.85 + 6.50 + 3.50 = 24.85 \]
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Apply the 15% discount:
- The discount amount is \( 15% \) of \( 24.85 \): \[ \text{Discount} = 0.15 \times 24.85 = 3.7275 \approx 3.73 \text{ (rounded to two decimal places)} \]
Subtract the discount from the total: \[ 24.85 - 3.73 = 21.12 \]
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Add the shipping and handling fee:
- The shipping and handling cost is \( 5.35 \). \[ \text{Total cost} = 21.12 + 5.35 = 26.47 \]
So, the total of Natasha's online purchase is $26.47.
The answer is c. $26.47.