jennaliu67
contestada

Theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. What is the lowest score she can get on the fifth test and still finish with an average score of 90 points?

A. 94 points
B.95 points
C.96 points
D.97 points
PLZ HELP MEEEEEEEEEEEEEEEE

Respuesta :

keannamunozozr2zv
D. 97 points.


Hope this helps
musiclover10045

90 x 5 = 450 ( total points for  tests)


88 + 84 + 88 + 91 = 351 ( total of 4 tests)

450 - 351 = 99

 if she scores a 97 she would have 88+84+88+91+97 = 448. 448/5 = 89.6 which would round to a 90

 she needs at least a 97

 Answer is D

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