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In a school, the ratio of the number of large classrooms to small classrooms is 3:4. If the number of small rooms is 20, then find the number of large rooms.
Answers (1)
Given: The ratio of the number of large classrooms to small classrooms is 3:4.
Let the number of large classrooms is 3x and the number of small classrooms is 4x.
Number of small rooms (4x)=20
x=5
3x = 15
Hence the number of large classrooms is 15.
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