A prom dress with a regular price of $395 is on sale for $280. Find the discount rate;
round to the nearest tenth of a percent.
395(100-discountrate)=280
i need help in mathmatich
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To find the discount rate for the prom dress, you can use the formula:
Discount Rate = (Discount Amount / Original Price) * 100
First, you need to calculate the discount amount by subtracting the sale price from the original price:
Discount Amount = Original Price - Sale Price
Discount Amount = $395 - $280 = $115
Then, substitute the values into the formula to get the discount rate:
Discount Rate = ($115 / $395) * 100
Discount Rate ≈ 0.2911 * 100
Discount Rate ≈ 29.1 (rounded to the nearest tenth of a percent)
Therefore, the discount rate for the prom dress is approximately 29.1%.