Mai is making personal pizzas. For 4 pizzas, she uses 10 ounces of cheese.

At this rate, how much cheese will she need to make 15 pizzas?

To solve this problem, we can use a proportion since the amount of cheese is directly proportional to the number of pizzas.

The ratio of the number of pizzas to the amount of cheese is:

\[
\frac{4 \text{ pizzas}}{10 \text{ ounces of cheese}} = \frac{15 \text{ pizzas}}{x \text{ ounces of cheese}}
\]

Now we can cross-multiply to solve for \(x\):

\[
4 \cdot x = 10 \cdot 15
\]

\[
4x = 150
\]

Now, divide both sides by 4:

\[
x = \frac{150}{4} = 37.5 \text{ ounces}
\]

So, Mai will need **37.5 ounces** of cheese to make 15 pizzas.

Would you like more details or have any questions?

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Here are 5 related questions:
1. How much cheese would Mai need for 20 pizzas at this rate?
2. If Mai had only 25 ounces of cheese, how many pizzas could she make?
3. How many ounces of cheese would Mai need for 1 pizza?
4. What is the rate of cheese per pizza?
5. How many pizzas can be made with 50 ounces of cheese?

**Tip:** Proportions are a powerful way to solve problems involving scaling quantities!

Mai is making personal pizzas. For 4 pizzas, she uses 10 ounces of cheese. At this rate, how much cheese will she need to make 15 pizzas?

Learn how to calculate the amount of cheese needed for 15 pizzas based on the ratio of 4 pizzas to 10 ounces of cheese. This proportion problem introduces key concepts like ratio, cross-multiplication, and proportionality. Ideal for students in Grades 6-8.

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