At a movie theater tickets for adults cost 4 dollars - id43815044 от nicekuzia01 20.03.2022 18:07

Question

Математика: At a movie theater tickets for adults cost 4 dollars more than tickets for children One afternoon the theater sold 100 more child tickets than adult tickets for a total sales amount of 7475 dollars. How much money would the theater have taken in if the same tickets were sold, but the costs of ​

nicekuzia01 · Accepted Answer

пусть первоначальная масса раствора составляет x грамм. тогда концентрация соли в растворе составляет (30/х)*100 процентов. после добавления воды масса раствора составила (х+100) грамм. а концентрации соли в растворе стала составлять (30/(х+100)*100) процентов. составим и решим уравнение:

ответ первоначальная масса раствора составляет 500 грамм

At a movie theater tickets for adults cost 4 dollars more than tickets for children One afternoon the theater sold 100 more child tickets than adult tickets for a total sales amount of 7475 dollars.
How much money would the theater have taken in if the same tickets were sold, but the costs of

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Популярно: Математика

At a movie theater tickets for adults cost 4 dollars more than tickets for children One afternoon the theater sold 100 more child tickets than adult tickets for a total sales amount of 7475 dollars.How much money would the theater have taken in if the same tickets were sold, but the costs of ​

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Популярно: Математика

At a movie theater tickets for adults cost 4 dollars more than tickets for children One afternoon the theater sold 100 more child tickets than adult tickets for a total sales amount of 7475 dollars.
How much money would the theater have taken in if the same tickets were sold, but the costs of