Предмет: Математика, автор: husinova949595

Пачка сливочного масла стоит 78 рублей. Пенсионерам магазин делает скидку 5%. Сколько рублей стоит пачка масла для пенсионера?

Ответы

Автор ответа: obolen1

0

78/100*5=3,9рублей-скидка
78-3,9=74,1 рублей

Автор ответа: Умка123456789

0

78 руб. = 100%
x руб. = 5%

х=(78*5)/100 = 3,9 (руб.)
78-3,9 = 74,1 (руб.)
Ответ: пачка масла для пенсионера стоит 74,1 рублей

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