A student purchases a laptop at 30% off. if the regular price was $850, what is the sale price? 

To find the sale price of the laptop, we first calculate the discount and then subtract it from the regular price.

### Step-by-step solution:

1. **Regular price**: $850
2. **Discount**: 30% of $850
   \[
   \text{Discount} = 0.30 \times 850 = 255
   \]
3. **Sale price**: Regular price minus the discount
   \[
   \text{Sale price} = 850 - 255 = 595
   \]

Thus, the sale price of the laptop is **$595**.

Would you like more details or explanations? Here are some related questions:

1. If the student had a 40% discount instead, what would the sale price be?
2. What would the total be with a 5% sales tax added to the sale price?
3. How much more would the student pay if the discount was only 20%?
4. What is the percentage discount if the student paid $600 for the laptop?
5. How much would the student save if the regular price was $900 with a 30% discount?

**Tip**: Always multiply the percentage (in decimal form) by the original price to find the discount.

A student purchases a laptop at 30% off. If the regular price was $850, what is the sale price?

Learn how to calculate the sale price of a laptop with a 30% discount applied to the original price of $850. This step-by-step solution covers key concepts such as percentage discounts and basic arithmetic operations. Suitable for students in Grades 5-7.

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