1. **State the problem:** An item is on sale for 45% of its original price. The original price is 35.
2. **Formula:** Sale price = Original price \times Percentage of original price
3. **Convert percentage to decimal:** 45% = \frac{45}{100} = 0.45
4. **Calculate sale price:**
$$\text{Sale price} = 35 \times 0.45$$
5. **Multiply:**
$$35 \times 0.45 = 15.75$$
6. **Interpretation:** The sale price is 15.75.
**Final answer:** The item costs 15.75 on sale.
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