leilaford2003
09.11.2019 •
Mathematics
The sum of 5x and 2x is at least 70
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Ответ:
5x+2x is at least 70
is at least means >
so it is
5x+2x>70
(5x+2x can be combined to get 7x and 7x>70 divide 7 get x>10)
Ответ: