Предмет: Математика, автор: hellokitty1200

У магазині хліб «Бородінський» коштував 7 гривень 92 копійки з урахуванням 10% торгівельної накрутки.Яка його собівартість? Допоможііііітььь


meme7top: а можно вопрос
meme7top: укр копейки такие же как и русские? тип 100 коп рус = 1 руб
hellokitty1200: я не знаю
hellokitty1200: а да

Ответы

Автор ответа: yuliatitor93
1
Відповідь: 7грн.13коп

Покрокове пояснення:
7,92=100%
79 коп=10%
7,92-0,79=7грн 13коп.
Автор ответа: iramazurk
1

Ответ:

Пошаговое объяснение:

7грн 92коп = 7,92 грн

Себестоимость хлеба = 1 00%

1) 1 00 + 10 = 110 (%) - цена хлеба с торговой наценкой

2)

110% = 7,92 грн

1 00% = х грн

110/1 00 = 7,92/х

х = 7,92 * 1 00 / 110

х = 792/110

х = 7,2

Себестоимость хлеба = 7,2 грн

7,2грн = 7 гривен 20 копеек

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Выберите правильный вариант.

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