Solve Using a System of Three Linear Equations

question 17

Multiple Choice

Solve using a system of three linear equations.
-A deli sells three sizes of roast beef sandwiches: the small roast beef sandwich contains 4 ounces of meat and sells for $3.00; the regular roast beef sandwich contains 7 ounces of meat and sells for $3.50; and the large
Roast beef sandwich contains 9 ounces of meat and sells for $4.00. A customer requests a selection of each size
For a reception. She and the manager agree on a combination of 54 sandwiches made from 20 pounds 2 ounces
Of roast beef for a total cost of $181. How many of each size sandwich will be in this combination? (Note: 1
Pound = 16 ounces)

• A)20 small sandwiches, 18 medium sandwiches, 16 large sandwiches.
• B)22 small sandwiches, 28 medium sandwiches, 4 large sandwiches.
• C)24 small sandwiches, 22 medium sandwiches, 8 large sandwiches.
• D)26 small sandwiches, 16 medium sandwiches, 12 large sandwiches.

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Definitions:

New Spain

The name of a vast territory that included much of North America, Central America, parts of the Caribbean, and the Philippines, governed by the Spanish Empire from the 16th to the 19th century.

Indian Population

Refers to the indigenous peoples of the Americas, often specifically in the context of North America, acknowledging their diverse cultures, histories, and contributions.

Transatlantic Trade

Trade that occurs across the Atlantic Ocean, historically significant for the triangular trade involving slaves, raw materials, and manufactured goods between Africa, the Americas, and Europe.

Increase

An act or process of becoming greater in size, number, value, or amount, often measured against previous states or periods.