Question

The no. of participants in an athelic competition increased from 321 to 351 in a year. Find the percent of increase in the year.​

Answer 1

Step-by-step explanation:

$percentage \: increase \\ = \frac{351 - 321}{321} \times 100 \\ \\ = \frac{30}{321} \times 100 \\ \\ = \frac{3000}{321} \\ \\ = 9.345 \% \\ \\ \approx9.35\%$