Mathematics, 05.03.2021 21:00 ultimateknight8

Seraphina driving two hours to visit her family. For the first hour, she traveled at a speed of 61 miles per hour. Then, in the second hour, she traveled at a speed of 73 miles per hour. What is the percentage increase of Seraphina's speed? If necessary,
round to the nearest tenth of a percent.

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Seraphina driving two hours to visit her family. For the first hour, she traveled at a speed of 61 m...