26zielinskia 26zielinskia

02-02-2020
Mathematics

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A student scored 88%, 92%, and 84%? If he wants to average at least 90% what will his 4th test need to be? Please help me on this?

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kenlingdad kenlingdad

02-02-2020

Answer:

at least 96%

Step-by-step explanation:

(88 + 92 + 84 + x ) / 4 ≥ 90

264 + x ≥ 360

x ≥ 96

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