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Two thirds of a number is more than seven ninths of 36. What's the number
Let this number be X
2/3x=36×7/9+2
2/3x=30
x=45
A sample is known: 75,72,73,75,77,79,75,78,80,79,76,74,75,77,76,72,74,75,76,78
Didn't the teacher teach
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