JamylaTheSmartie1207 JamylaTheSmartie1207

07-02-2018
Mathematics

contestada

when Sally went bowling ,her scores were 108,72and 95. If she bowls a 4th game,what will her score need to be to give her an average of 91?

Respuesta :

stewie85 stewie85

07-02-2018

(108+72+95+x)/4=91
(347+x)/4=91
347+x=91•4
347+x-347= 364-347
X=17
She must score a 17 to get a mean of 91

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