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Mathematics, 07.07.2019 06:30 BookiesBaby8533

Chetan has an average of 77on his first 3 math tests. he wants an average of 80. what equation can be used to find s, the score chetan would need on the 4th test to achieve this average?

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Chetan has an average of 77on his first 3 math tests. he wants an average of 80. what equation can b...
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