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To find the total cost of lunches served by the cafeteria, we need to multiply the number of students by the cost of each lunch:

\[
\text{Total cost} = 287 \times 2.05
\]

Calculating this:

\[
287 \times 2.05 = 588.35
\]

So, the total cost is approximately **$588.35**. The correct answer is whichever option is closest to this amount.

Would you like more details, or have any questions?

Here are 5 related questions:
1. How would the total cost change if the price per lunch increased by 10%?
2. What if 350 students were served instead of 287, keeping the same cost per lunch?
3. How would you calculate the total cost if there was a 5% discount on the total bill?
4. How would rounding the price to the nearest dollar affect the total?
5. What is the formula for calculating the total cost in terms of students and lunch price?

**Tip:** For quick estimates, round numbers in word problems to make mental math faster and easier.

A cafeteria served lunch to 287 students. Each lunch cost $2.05. Which of the following is closest to the total cost of the lunches served by the cafeteria?

Learn how to calculate the total cost of lunches served to 287 students, with each lunch priced at $2.05. This problem uses basic multiplication and estimation, ideal for students in Grades 5-7.

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