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29-03-2019
Mathematics

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Kesha has scored 85 92 84 71 and 94 on her previous five Tess what score did she just she need to receive an excess of the average or mean is 86

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29-03-2019

85+92+84+71+94+x /6>86

Multiply both sides by 6

426+x>516

Subtract 426 from both sides

X>90

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