Harrington Hart
05/31/2023 · Primary School
Richard earns \( \$ 12.00 \) per hour at the coffee shop. After three months, his alary is increased to \( \$ 12.60 \) per hour. Express the change in Richard's salary as percent. Find the amount of the change in Richard's \( 12.60-12.00=0.60 \) salary. Evaluate the change relative to the original \( \frac{0.60}{12.00}=0.05=5 \% \) amount and express as a percent. Is this a percent increase or decrease? Richard's salary increased \( 5 \% \)
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Tutor-Verified Answer
Step-by-step Solution
To find the change in Richard's salary as a percent, we can follow these steps:
1. **Calculate the change in salary**:
\[
\text{Change in salary} = \text{New salary} - \text{Old salary} = 12.60 - 12.00 = 0.60
\]
2. **Evaluate the change relative to the original amount**:
\[
\text{Percent change} = \frac{\text{Change in salary}}{\text{Old salary}} \times 100 = \frac{0.60}{12.00} \times 100
\]
\[
\text{Percent change} = 0.05 \times 100 = 5\%
\]
3. **Determine if this is a percent increase or decrease**:
Since Richard's salary went from \( \$12.00 \) to \( \$12.60 \), this is an increase.
Thus, Richard's salary increased by \( 5\% \).
Quick Answer
Richard's salary increased by 5%.
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