The price of an airline ticket was $320 amd it is now 420$ what is the percent increase the price of the ticket

31.25 percent increase

Step-by-step explanation:

To find the percent increase, we take

percent increase = (new - original) / new * 100 percent

= (420-320) / 320 * 100 percent

100/320 * 100 percent

.3125 * 100 percent

31.25 percent increase