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SUBMIT YOUR IDEAI am running through the suggested challenges for the Micro-cert. This one was simple; I got caught up when trying to Sum up the Kilometers. Because the data type was Vstring, I was unable to add. I changed the data type to Double and that seemed to solve the roadblock. When analyzing the solution, I saw that the challenger was able to Sum the kilometers while the data was Vstring. Not too sure why I couldn't not complete that function.