Rick is a car salesman and he sold two cars today. He earned 40% of the purchase price of the first car and 60% of the purchase price of the second car. His total profit was 54% of his total purchase price. What is the ratio of purchase prices of those two cars?
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The hot fuel particles reacted with water and caused a steam explosion, which lifted the 1,000-metric-ton cover off the top of the reactor, rupturing the rest of the 1,660 pressure tubes, causing a second explosion and exposing the reactor core to the environment.
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