Question
There are chairs with `4` legs and with `3` legs in a room. When people sat on all the chairs, there were `39` legs in the room (no one remained standing). How many chairs of each type are there in the room?
Difficulty level (1 very easy - 10 very hard): 2
Topics:
Algebra
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Word Problems
Number Theory
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Greatest Common Divisor (GCD) and Least Common Multiple (LCM)
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Euclidean Algorithm
Algebra
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Equations
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Diophantine Equations
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