Carl bought an airline ticket from boston to denver. two weeks ago, the cost of his flight was $300. this week the same flight cost $375. what is the percent increase in the cost of the airline tickets

The percent increase in the cost of the airline tickets is 25%.

Step-by-step explanation:

1. Take the cost of Carl´s flight two weeks ago and subtract it from the cost of Carl´s flight this week:

2. Divide this obtained value by the cost of Carl´s flight two weeks ago:

3. Multiply the number obtained by one hundred to obtain the percent increase in the cost of the airline tickets:

%

Therefore the percent increase in the cost of the airline tickets is 25%.