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Tori's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served $25$ teas in all, $10$ of which were caffeinated. What percentage of the teas were caffeinated? $\newline$ Write your answer using a percent sign (%). $\newline$ $\_\_\_\_$

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Find what percent one number is of another: word problems

Full solution

Q. Tori's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served

25

teas in all,

10

of which were caffeinated. What percentage of the teas were caffeinated?

\newline

Write your answer using a percent sign (%).

\newline

\_\_\_\_

Calculate totals: Calculate the total number of caffeinated teas and total teas served. $\newline$ Reasoning: To find the percentage, we need the part (caffeinated teas) and the whole (total teas). $\newline$ Calculation: Caffeinated teas $= 10$ , Total teas $= 25$
Use percentage formula: Use the percentage formula: $(\frac{\text{Part}}{\text{Whole}}) \times 100$ . $\newline$ Reasoning: This formula gives the part as a percentage of the whole. $\newline$ Calculation: $(\frac{10}{25}) \times 100 = 40\%$

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