Предмет: Математика, автор: влад1660

в первый год мобильная связь покрыла 2/7 населения,а во второй 3/7 его части.какая часть населения покрыта моб.связью?

Ответы

Автор ответа: lolatv

5/7 - это часть покрыта мобильной связью

Автор ответа: влад1660

спасибо,тоже так сделал

Автор ответа: LyubaAlexandorovna

7/7-5/7=2/7 населения не имеют мобильной связи. 87500*2/7=25000 человек не имеют мобильной связи.

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