Malika decides to use some of her savings to buy a bicycle. She compares the prices of 3 brands of bicycles: the RacerZ, the Speedmonster, and the Swiftee. The Speedmonster's price is $64.80. The RacerZ is $20 less than 2.5 times the price of the Speedmonster. The Swiftee is 1.09 times the price of the RacerZ. What are the prices of the RacerZ and the Swiftee? Show your work