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Mathematics, 09.11.2019 10:31 khyyonsb

Vinh needs 420 points to have a b average in math. his scores so far are 88, 89, 79, and 77. what is the minimum score he can make on the next test to maintain the b?

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Vinh needs 420 points to have a b average in math. his scores so far are 88, 89, 79, and 77. what is...

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