Предмет: Математика, автор: тополя228

Масса сосуда с мёдом 900г. Если в этот сосуд налить молоко,то масса сосуда с молоком будет 400г. Мёд тяжелее молока в 3 раза.Найдите массу сосуда

Ответы

Автор ответа: НикольНиколь1997
0
Пусть х - масса сосуда,
тогда (900 - х) г - масса меда,
а (400 - х) г - масса молока.
(400 - х) • 3 = 900 - х
1200 - 3х = 900 - х
3х - х = 1200 - 900
2х = 300
х = 300 : 2
х = 150 (г) - масса сосуда.
Ответ: 150 г.
Автор ответа: тополя228
0
Спасибо
Автор ответа: тополя228
0
=)
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