Mathematics, 14.11.2020 16:50 azertyqwerty123

The first term of an arithmetic progression is 80 and the common difference is -3. what is the greatest possible sum of the first n terms of this sequence, and for which value of n does it occur? I need help with this question, in advance thank you :)

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The first term of an arithmetic progression is 80 and the common difference is -3. what is the great...

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