Предмет: Математика, автор: Ярослаав228

Расстояние между черепахами 57 метров.Они поползали одновременно навстречу друг к другу.Одна черепаха ползла со скоростью 12 м минуту.С какой скорсостью ползла 2 черепаха,если они встретились через 3 минуты?

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Ответы

Автор ответа: Inf777
0
1) 12*3=36 м - проползла 1я черепаха
2) 57-36=21 м - проползла 2я черепаха

Т.к. известно, что ползли они 3 мин., то вычисляем скорость 2й:
3) 21:3=7м/мин - скорость 2й черепахи
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