Предмет: Математика, автор: rahat75

если число a состовляет 30% от числа b, то отношение b к a равно

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Автор ответа: Аноним

0

Переводим проценты в дробь.
30%=0,3
0,3b=a
b/a=b/0.3b=1/0.3=10/3=3 1/3

Автор ответа: rahat75

0

огромное спасибо

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