Airline A and airline B both previously charged $400 for a certain flight. Airline A then reduced its price by 25%. Airline B responded by reducing its price by 55% but adding $150 in fees. Then, airline A increased its reduced price by 10%.

The selling price of an exercise bike represents a 25% markup from its original cost to the merchant

Two classes participate in a contest stacking blocks. Each person in class 1 stacks 80 percent as many blocks as each person in class 2 and there are 25 percent more people in class 1 than class 2.

At a warehouse, an order was shipped out, reducing the number of parts in inventory by half. Then a shipment of parts was received, increasing the current number of parts in inventory by 50%.

A clothing store offers 10% additional discount on the last ticketed price of the clearance items that were on 60% off already.

In a certain country, the total weight of recycled newspapers increases annually by 0.79 million tons.

A television with a list price of $300 is advertised at 15% off

The final cost reflects that discount and a 6% sales tax on the discounted price

After decreasing 17% over the past decade, the population of deer in a rural area is 498.

From 1992 to 1993, the price of a home increased by x %. From 1993 to 1994, the price of the home then decreased by x %.

A shirt that normally costs $20 is on sale for $14.