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Mathematics, 01.06.2021 21:50 yeehaw777

Las distancias de dos trenes desde una estación se pueden representar mediante las ecuaciones que se muestran, siendo t el tiempo en horas y d la distancia en millas. La distancia del tren A desde la estación viene dada por d = 80t + 450
La distancia del tren B a la estación viene dada por d = 60t + 850

¿Cuántas horas después de que los trenes salieron de la estación estarán los dos trenes a la misma distancia de la estación y cuál será la distancia?

A. 20 horas, 400 millas

B. 140 horas, 2050 millas

С. 20 horas, 2050 millas

D. 10 horas, 400 millas​

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Answers: 2

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