Q: 100 people are to be seated at 22 tables. Some tables seat 4 people and some seat 6 people. If no seats are empty, how many tables seating 4 people are there?
Answer: 16
Explanation: Solve the system: x + y = 22; 4x + 6y = 100. My ‘CRAMER’ program will solve this for you! The number of 4-person tables is the x-value of the solution.
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