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QUESTION
How do you work out "when sally went bowling, her scores were 108, 72, and 95. if she bowls a 4th game, what will her score need to be to give her an average of 91?
How do you work out "when sally went bowling, her scores were 108, 72, and 95. if she bowls a 4th game, what will her score need to be to give her an average of 91?
