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Mathematics 20 Online
OpenStudy (anonymous):

diana scored 72, 74, 78 her first three test. if she wants the average of at least 75 after the fourth test what possible scores can she earn on the fourth test

OpenStudy (anonymous):

(72 + 74 + 78 + x)/4 >= 75 x >= (75 * 4) - (72 + 74 + 78)

OpenStudy (anonymous):

All good now, @brenroze ?

OpenStudy (anonymous):

thank you soooo much @tcarroll010

OpenStudy (anonymous):

uw! Good luck to you in all of your studies and thx for the recognition! @brenroze

OpenStudy (anonymous):

no prob and thanks @tcarroll010

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