Mathematics, 01.10.2019 21:00 braphi5609

The average rate of the first part of yi’s walk on a park loop was 4 miles per hour. she then met up with a friend and the two walked the rest of the way at an average rate of 5 miles per hour. the entire 3-mile walk took yi 42 minutes (0.7 hour). which equation can be used to solve for x, the time in hours that yi spent walking before meeting her friend?

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The average rate of the first part of yi’s walk on a park loop was 4 miles per hour. she then met up...

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