Предмет: Математика, автор: bruin777

как решить число,якщо 27% вид нього складають 8,1

Ответы

Автор ответа: prettypushkova

0

Пропорция: х - 100%
8,1 - 27%
х = 8,1 * 100 : 27 = 30 - искомое число
Вiдповiдь: 30 - число, якщо 27% вид нього складають 8,1.

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