rharris29 rharris29

15-12-2020
Mathematics

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what does sam need to score on the fourth test to ensure that she will have an average of90% for all four tests?

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0613125953 0613125953

15-12-2020

Answer: 98%

Step-by-step explanation:

83%+91%+88%+?=90×4

262+?=360

?=360-262

?=98%

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