Question

what is the percent of increase from 40.5 to 49? round your answer to the nearest tenth of a percent and include a percent sign (%).

Explanation:

Step1: Calculate the increase amount

$49 - 40.5 = 8.5$

Step2: Divide increase by original value

$\frac{8.5}{40.5} \approx 0.209877$

Step3: Convert to percentage

$0.209877 \times 100 = 20.9877\%$

Step4: Round to nearest tenth

$21.0\%$

Answer:

21.0%