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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 71 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent.

Respuesta :

altavistard

Answer:

26.71%

Step-by-step explanation:

Find the increase in speed by subtracting 56 mph from 71 mph.  This is 15 mph.

Then:

15 mph

----------- = 0.2671

56 mph

The increase in speed was 26.7%

matthewhowe

Answer:

16.1%

Step-by-step explanation:

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