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To calculate the percentage discount using the formula:

[ \text{Percentage Discount} = \left(\frac{36.98 – 29.98}{36.98}\right) \times 100 ]

1. Subtract (29.98) from (36.98): [ 36.98 – 29.98 = 7.00 ]

2. Divide by (36.98): [ \frac{7.00}{36.98} \approx 0.189 ]

3. Multiply by (100) to get the percentage: [ 0.189 \times 100 \approx 18.9 ]

4. Round to the nearest integer: [ 19 ]

So, the percentage discount is 19%.

– “1080P HD WiFi Spy Camera – Home Security by [Brand]”

To calculate the percentage discount using the provided formula:

[ \text{Discount} = \left(\frac{(9.99 – 8.49)}{9.99}\right) \times 100 ]

1. Calculate the difference: ( 9.99 – 8.49 = 1.50 )
2. Divide by the original price: ( \frac{1.50}{9.99} \approx 0.150015 )
3. Multiply by 100: ( 0.150015 \times 100 \approx 15.0015 )

Rounding to the nearest integer gives you approximately ( 15\% ).

So, the percentage discount is 15%.

To calculate the percentage discount using the formula ((19.99 – 7.39) / 19.99 \times 100):

1. Calculate the difference: (19.99 – 7.39 = 12.60)
2. Divide by the original price: (\frac{12.60}{19.99} \approx 0.630315)
3. Multiply by 100 to get the percentage: (0.630315 \times 100 \approx 63.03)

Rounding to the nearest integer gives us 63%.

To calculate the percentage discount using the formula ((181.99 – 151.99) / 181.99 \times 100):

1. Subtract the sale price from the original price: [ 181.99 – 151.99 = 30.00 ]

2. Divide by the original price: [ \frac{30.00}{181.99} \approx 0.1644 ]

3. Multiply by 100 to get the percentage: [ 0.1644 \times 100 \approx 16.44 ]

4. Round to the nearest integer: [ 16\% ]

So, the percentage discount is 16%.