Предмет: Математика, автор: Катюша500

Веревку длиной 63 метра разрезали на два куска так,что 0,4 длины первого кус были равны 0,3 длины второго куска.Найдите длину каждого куска веревки

Ответы

Автор ответа: vershkovakseni
10

первый кусок длиной х м
второй кусок длиной 63-х составим уравнение
0,4х = 0,3(63-х)
решая, получим 27 и 36

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