minerrage43
29.07.2020 •
Mathematics
Prove that if a is a positive element of a commutative field totally ordered, then its multiplicative inverse a^{-1}a −1 is also positive.
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Ответ:
Whitney = $406 in 29 hours
Yolanda = $14 per hour
Emmet = 588/42 = $14 per hour
Whitney = 406/29 = $14 per hour
Yolanda = 14/1 = $14 per hour
Therefore they all earn the same amount..