Предмет: Алгебра, автор: lemiii

в трёх ящиках 200 кг картофеля.В первом 40 % всего картофеля,в третьем 28% всего картофеля.Сколько кг картофеля во втором ящике?ответьте пожалуйста!!​

Ответы

Автор ответа: lukinajuly
1

1 ящ - 40%

2 ящ - x%

3 ящ - 28%

40% = 0,4

1) 0,4 * 200 = 80 (кг) - в 1 ящике

28% = 0,28

2) 0,28 * 200 = 56 (кг) - в 3 ящике

3) 200 - 80 - 56 = 64 (кг) - во 2 ящике

Ответ: 64 кг.

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