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Math Olympiad for Elementary | 2019 | Division E | Contest 2 | MOEMS | 2D
3 years ago
30
Problem: At the corner diner, lunches have one set price and dinners have another set price. Five lunches and three dinners cost $70, and three lunches and five dinners cost $74. Determine the cost of one lunch.
Key: Systems of equations, solving to get usable, useful ones to solve the problem.
REMINDER: Always answer the question the right way.
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