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Mathematics, 29.01.2020 06:04 liamgreene90
At the karate school, class a has 8 students with an average age of 6 years. class b has 12 students with an average age of 9 years. the classes combine for a group workout.
what is the average age of the combined classes?
enter your answer as a decimal in the box.
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At the karate school, class a has 8 students with an average age of 6 years. class b has 12 students...
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