rhd112458
31.03.2021 •
Mathematics
If s - 8t + 20 = 5s - 7t + 1 = 0, then the value of s + t, to the nearest tenth, is ?
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If s - 8t + 20 = 5s - 7t + 1 = 0, then the value of s + t, to the nearest tenth, is ?
Ответ: