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DerKrebs [107]
3 years ago
11

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 t

he second hour, she traveled at a speed of 71 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent.
A. 21.1%
B.73.2%
C.26.8%
D.78.9%
Mathematics
1 answer:
wel3 years ago
4 0

Answer: 21.1 %

Step-by-step explanation:

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8 0
3 years ago
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