Question 14

Explanation

Let's calculate the percentage decrease in price for each given option. The formula for percentage decrease is:

Analysis of Answer Choices

1. Noodle A in 2019—2020

   • Price 2019: $3350$
   • Price 2020: $3000$
   • Decrease: $3350 - 3000 = 350$
   $$\frac{350}{3350} \times 100\% \approx 10.4\%$$

2. Noodle B in 2017—2018

   • Price 2017: $4500$
   • Price 2018: $4250$
   • Decrease: $4500 - 4250 = 250$
   $$\frac{250}{4500} \times 100\% \approx 5.6\%$$

3. Noodle B in 2018—2019

   • Price 2018: $4250$
   • Price 2019: $4000$
   • Decrease: $4250 - 4000 = 250$
   $$\frac{250}{4250} \times 100\% \approx 5.9\%$$

4. Noodle C in 2019—2020

   • Price 2019: $2800$
   • Price 2020: $2650$
   • Decrease: $2800 - 2650 = 150$
   $$\frac{150}{2800} \times 100\% \approx 5.4\%$$

5. Noodle A in 2017—2018

   • Price 2017: $3500$
   • Price 2018: $2500$
   • Decrease: $3500 - 2500 = 1000$
   $$\frac{1000}{3500} \times 100\% \approx 28.6\%$$

Conclusion

Based on the calculations above, the highest percentage decrease was experienced by Noodle A in 2017—2018, which is 28.6%.