Question

Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 62 miles per hour. Then, in the second hour, she traveled at a speed of 69 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent.

Answer 1

16.1%

Explanation:

Answer 2

11.3%

Explanation:

`\%\ increase=(final-initial)/(initial) * 100\%\\\%\ increase=(69-62)/(62) * 100\%\\\%\ increase=(7)/(62) * 100\%\\\%\ increase=11.3\%`