An airplane traveled 2/5 of the distance between two cities in 1 1/2 hours. At this rate how long will it take the train to travel the entire distance? Please help!

rx and sx

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step-by-step explanation:

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in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.