Предмет: Математика, автор: fhvchmbfyjjf

Прошу помогите пожалуйста, только с объяснением и оформлением!

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Автор ответа: anastasovanastas

Ответ:

Решение:

Пусть первый насос накачал 7х, тогда второй накачал 5х

Составим и решим уравнение:

7х+5х=8640

12х=8640/:12

х=720

720*7=5040 - первый насос

720*5=3600 - второй насос

Ответ: 5040 л, 3600 л

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