Use substitution to solve the system of equations.

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Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost