Here are some letters and what they represent. All costs are in dollars. m represents the cost of a main dish. $$n represents the number of side dishes. s represents the cost of a side dish.represents...

Here are some letters and what they represent. All costs are in dollars. m represents the cost of a main dish. $$n represents the number of side dishes. s represents the cost of a side dish.represents the total cost of a meal. What does the equation m=7.50 mean in this situation