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Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 56 miles per hour. Then, in the second hour, she traveled at a speed of 72 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent.

User SimplyInk
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1 Answer

12 votes

Answer

128

Explanation:

72+56=128

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User Guerra
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