Предмет: Математика, автор: sofiyakarlova

Составь и реши уравнение:
Если 5% задуманного числа увеличить на 14,2, а затем результат уменьшить на 19,1, то получится -2,4.Найди задуманное число.

Ответы

Автор ответа: Wafla2001

0

пусть х-5% задуманного числа.
х+14,2-19,1=-2,4
х-4,9=-2,4
х=-2,4+4,9
х=2,5
2,5:5*100=50
задуманное число-50

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