3 years ago

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

Mathematics

1 answer:

olga2289 [7]3 years ago

3 0

Answer: 98%

Step-by-step explanation:

83%+91%+88%+?=90×4

262+?=360

?=360-262

?=98%

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