Curry Pena
10/28/2023 · Junior High School
Kent worked in the housewares section of a department store. This year he set a record high for vacuum sales with 567 vacuums sold. The previous high was last year, when 540 vacuums were sold. What is the percent of increase in sales from last year to this year?
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Step-by-step Solution
To calculate the percent increase in sales from last year to this year, you can use the following formula:
\[
\text{Percent Increase} = \left( \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \right) \times 100
\]
In this case, the new value (this year's sales) is 567 vacuums, and the old value (last year's sales) is 540 vacuums.
Now, plug in the values:
\[
\text{Percent Increase} = \left( \frac{567 - 540}{540} \right) \times 100
\]
Calculate the difference:
\[
567 - 540 = 27
\]
Now, substitute that back into the formula:
\[
\text{Percent Increase} = \left( \frac{27}{540} \right) \times 100
\]
Now, calculate the fraction:
\[
\frac{27}{540} \approx 0.05
\]
Now, multiply by 100 to get the percentage:
\[
0.05 \times 100 = 5
\]
Thus, the percent increase in vacuum sales from last year to this year is **5%**.
Quick Answer
The percent increase in vacuum sales is 5%.
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