Raj gets a 1.5 mile head start and runs at a rate of 4.5 miles per hour. Jacinda's progress is represented by a graph that goes through the points (1,10), (2,20), and (3,30). How long will Jacinda need to run to catch up with Raj?

Answer 1

If the meet after x hours, then

1.5 + 4.5x = 10x

Answer 2

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