A company orders 19 boxed lunches from a deli for $170.05. If each boxed lunch costs the same amount, how much do 18 boxed lunches cost?

To find the cost of 18 boxed lunches, follow these steps:

1. **Determine the cost of one boxed lunch:**
   \[
   \text{Cost of one lunch} = \frac{\text{Total cost}}{\text{Number of lunches}} = \frac{170.05}{19}
   \]

   \[
   \text{Cost of one lunch} \approx 8.95
   \]

2. **Calculate the cost of 18 boxed lunches:**
   \[
   \text{Cost of 18 lunches} = 18 \times 8.95
   \]

   \[
   \text{Cost of 18 lunches} \approx 161.10
   \]

So, the cost of 18 boxed lunches is approximately **$161.10**.

Would you like more details or have any questions?

Here are 5 related questions to expand on this concept:

1. What would be the cost for 20 boxed lunches?
2. If the price of each lunch increases by $1, what would be the new cost for 18 lunches?
3. How much more would 19 lunches cost compared to 18 lunches?
4. If the company received a 10% discount on the total cost, what would be the cost for 19 boxed lunches?
5. What is the total cost if the company orders 25 lunches at the same rate?

**Tip:** Always break down a problem into smaller steps to avoid mistakes in calculations.

Learn how to calculate the cost of 18 boxed lunches when 19 boxed lunches cost $170.05. This problem teaches basic division and multiplication, helping students understand unit rate concepts. Suitable for Grades 5-7.

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