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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?
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May 1, 2019
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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?
Mathematics
middle-school
Jared Menard
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x= score of 4th game
Add the 4 scores, divide by 4 and set it equal to 91
(108 + 72 + 95 + x)/ 4= 91
multiply both sides by 4 to eliminate fraction
108 + 72 + 95 + x= 364
275 + x= 364
subtract both sides by 275
x= 89
ANSWER: The scored needed for the fourth game is 89.
Hope this helps! :)
Frederico
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May 7, 2019
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Frederico
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