In the first hour after opening, a bakery sold 80 muffins. However, in the second hour, they only sold 64 muffins.

What is the percent decrease in muffin sales?
A.20% decrease
B.40% decrease
C.15% decrease
D.16% decrease

To find the percent decrease in muffin sales, we can use the formula for percent decrease:

\[
\text{Percent Decrease} = \left(\frac{\text{Initial Value} - \text{Final Value}}{\text{Initial Value}}\right) \times 100
\]

- Initial Value = 80 muffins (first hour)
- Final Value = 64 muffins (second hour)

Now, let's calculate:

\[
\text{Percent Decrease} = \left(\frac{80 - 64}{80}\right) \times 100 = \left(\frac{16}{80}\right) \times 100 = 0.2 \times 100 = 20\%
\]

So, the percent decrease in muffin sales is **20%**.

The correct answer is:

**A. 20% decrease**

Would you like more details or have any questions?

Here are 5 related questions for practice:
1. If the bakery had sold 50 muffins in the second hour, what would the percent decrease be?
2. What is the formula for percent increase, and how does it differ from percent decrease?
3. If the bakery sold 100 muffins in the third hour, what would be the percent increase compared to the second hour?
4. What is the total number of muffins sold in the first and second hours combined?
5. If the percent decrease in the third hour is 25%, how many muffins were sold in that hour?

**Tip:** Always subtract the final value from the initial value when calculating percent decrease.

In the first hour after opening, a bakery sold 80 muffins. However, in the second hour, they only sold 64 muffins. What is the percent decrease in muffin sales? A. 20% decrease B. 40% decrease C. 15% decrease D. 16% decrease

Learn how to calculate the percent decrease in muffin sales at a bakery. This example explains how to use the percent decrease formula, with the bakery selling 80 muffins in the first hour and 64 in the second. Suitable for students in Grades 6-8.

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