4. If the sales tax is \( 7 \% \), how much tax will you pay on a CD that costs \( \$ 15 \) ? 5. In Smallville, 2,400 out of 20,000 workers are unemployed. In Biatown. 6750 ?
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Bonus Knowledge
To calculate the sales tax on a CD that costs $15 with a tax rate of 7%, you simply multiply the cost by the tax rate: \( 15 \times 0.07 = 1.05 \). So, you will pay $1.05 in sales tax, making the total cost of the CD $16.05. Yay for music and math! In Smallville, if 2,400 out of 20,000 workers are unemployed, that’s an unemployment rate of 12%. To find out the unemployment rate in Biatown with 6,750 unemployed, you need to know how many workers are in Biatown to calculate the percentage. It’s always good to have that context so you can compare towns effectively!
