An electronics company produces a mobile device for $558. The device is sold for $1499. Complete the proportion to determine the percent of change.(2 points)

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Question 2
What is the percent of change in this situation?(1 point)

% Round the answer to the nearest whole percent.
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Answer 1

To determine the percent of change, you can use the formula for percent change:

\[ \text{Percent Change} = \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100 \]

In this case:

• The Old Value (cost) = $558
• The New Value (selling price) = $1499

Now, plug the values into the formula:

\[ \text{Percent Change} = \frac{1499 - 558}{558} \times 100 \]

Calculating the numerator:

\[ 1499 - 558 = 941 \]

Now, calculate the fraction:

\[ \frac{941}{558} \approx 1.684 \]

Finally, multiply by 100 to get the percent change:

\[ 1.684 \times 100 \approx 168.4% \]

Rounding to the nearest whole percent, the percent of change is:

168%.