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The average (arithmetic mean) test score in a class of 20 students is m , and the average for a class of 30 tudents is

The average (arithmetic mean) test score in a class of 20 students is m , and the average for a class of 30 tudents is n. When all the scores of both classes are combined, the average score is 88.

What is the value of 2m+3n?

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