Вопрос школьника по предмету Математика
Помогите решить,умоляю
Фоторамка стоит 140 рублей.Какое наибольшее число таких рамок можно будет купить на 929 рублей после понижения цены на 18%
Ответ учителя по предмету Математика
18%=0,18
1) 140 — 140*0,18=114,8(р.) — новая стоимость рамки
2) 929:114,8=8,1=8(рам.) — можно купить
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