Предмет: Математика, автор: 89529062110

Газовая плита стоит 8100р., включая доставку на дом. Определите стоимость плиты , если стоимость доставки составляет 8% стоимости плиты.

Ответы

Автор ответа: DariosI

Стоимость плиты х, стоимость доставки х*8:100=0,08х. Тогда Стоимость плиты и доставки (х+0,08х).
х+0,08х=8100
1,08х=8100
х=8100:1,08
х=7500 р стоит плита

Ответ 7500 р стоимость плиты

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