AMC / AIME · Systems of Equations · Hard
Systems of Equations: Nineteen math- or math-dollar tickets cost math. How many are math-dollar?
Linear and nonlinear systems.
Try the problem
Nineteen - or -dollar tickets cost . How many are -dollar?
Hint and answer
Concept to use
Nonlinear.
Hint
Eliminate variables, or use symmetric identities when they are given.
Answer
11
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