Вопрос школьника по предмету Математика
В морской воде содержится 6% соли.Сколько содержится в 250 кг морской воды?
С краткой записью развернутый ответ
Ответ учителя по предмету Математика
Ответ:
В 250 кг морской воды содержится 15 кг соли.
Краткая запись:
6% соли это значит, что, например, в 100 кг морской воды содержится 6 кг соли, значит:
100 кг м.в. — 6 кг соли
250 кг м.в. — ? кг соли
6%=0,06
Решение:
250*0,06=15 (кг) — соли в 250 кг м.в.
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