Предмет: Математика, автор: besshtanovik

СРОЧНО ПОМОГИТЕ

Брюки дороже рубашки на 25% и дешевле пиджака на 20% На сколько процентов рубашка дешевле пиджака?

Ответы

Автор ответа: Мартын05

0

рубашка - x.
пиджак - y;
1.25x=0.8y;
x=0.8y/1.25;
x=0.64y; То есть цена рубашки это 64% цены пиджака.
Рубашка дешевле пиджака на 36%

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