Fiona wants to buy burgers from a restaurant which has the promotion below: Buy 6 and get anorger 1 for free! To qet 210 burgers, how much does she have to pay?

To determine how much Fiona has to pay for 210 burgers with the promotion "Buy 6 and get another 1 for free," let's break it down: 1. **Understanding the Promotion:** - **Buy 6:** She pays for 6 burgers. - **Get 1 Free:** She receives 1 additional burger without paying for it. - **Total per Promotion Set:** 7 burgers (6 paid + 1 free). 2. **Calculating the Number of Promotion Sets:** - **Total Burgers Desired:** 210 - **Burgers per Set:** 7 - **Number of Sets Needed:** \( \frac{210 \text{ burgers}}{7 \text{ burgers/set}} = 30 \text{ sets} \) 3. **Determining the Number of Paid Burgers:** - **Paid Burgers per Set:** 6 - **Total Paid Burgers:** \( 30 \text{ sets} \times 6 \text{ paid burgers/set} = 180 \text{ burgers} \) 4. **Conclusion:** - Fiona needs to **pay for 180 burgers** to receive a total of 210 burgers under the given promotion. **Note:** The actual amount Fiona has to pay in currency would depend on the price per burger, which isn't provided in the problem. **Answer:** Fiona needs to pay for 180 burgers to receive a total of 210 burgers under the promotion.