A local pizza shop has a membership program for frequent buyers. The membership costs $20 per month and members get a discounted price of $1 per slice of pizza. Owen purchased a membership to this pizza shop. How much would Owen have to pay the pizza shop if he bought 18 slices of pizza this month? What would be the monthly cost for xx slices of pizza?
Answer
Attempt 1 out of 2

Monthly cost with 18 slices: 
Monthly cost with xx slices:

To calculate Owen's total cost for the month, we need to consider both the membership fee and the cost per slice of pizza.

### Monthly Cost with 18 Slices
1. **Membership Fee**: $20 per month
2. **Cost per Slice**: $1 per slice

For 18 slices:
\[
\text{Total Monthly Cost} = \text{Membership Fee} + (\text{Cost per Slice} \times \text{Number of Slices})
\]
\[
\text{Total Monthly Cost} = 20 + (1 \times 18) = 20 + 18 = 38
\]
So, the total cost for 18 slices in a month is **$38**.

### Monthly Cost with $ xx $ Slices
The formula to calculate the monthly cost for $ xx $ slices of pizza is:
\[
\text{Total Monthly Cost} = 20 + (1 \times xx)
\]
This simplifies to:
\[
\text{Total Monthly Cost} = 20 + xx
\]
This expression gives you the total cost for any number of slices $ xx $.

### Summary:
- **Total cost for 18 slices**: $38
- **Total cost for $ xx $ slices**: $ 20 + xx $ dollars

Would you like further details, or do you have any other questions?

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Here are some related questions:
1. What is the cost for 10 slices of pizza in a month?
2. How much would Owen pay if he bought 25 slices?
3. What would be the monthly cost for 50 slices of pizza?
4. How does the cost change if the membership fee increases to $25?
5. How much would Owen pay if he bought only 5 slices?
6. What would be the cost for 100 slices of pizza?
7. What is the total monthly cost for 30 slices?
8. How would the cost formula change if the pizza slice price was reduced to $0.75?

**Tip:** When dealing with membership fees, always add the fixed membership cost to the variable cost (based on the quantity) to find the total expense.

Explore how to calculate monthly costs at a pizza shop with a membership program. Understand the formula for total costs based on slices purchased and membership fees. Get answers for specific scenarios like 18 slices, and learn how cost changes with different slice quantities.

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