Benches
The park has 64 benches. Occupied is 18 more than empty. How many benches are occupied and empty?
Final Answer:
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Mathematican
Write two equations, where o means occupied, and p means empty benches. Then solve this equation; first, make an equivalent change - add up this equation to eliminate unknown p. Then find unknown o. Then, substitute the variable o to the first equation to solve unknown p.
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