Mathematics, 21.01.2022 02:50 kevin2618
HEl On a given section of railway, the speed of a passenger train is 30 km / h higher than that of a freight train. At what speed (in kilometers per hour) does a passenger train run if it travels 39 km in the same time as 27 km of freight?
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Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?
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HEl
On a given section of railway, the speed of a passenger train is 30 km / h higher than that of...
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