Solve the following inequalities graphically $3 x + 2 y \leq 12, x + y \geq 4, 5 x \leq 10$ and $x \geq, y \geq 0$

Or

How many litres of water will have to be added to 1125 L of the 45 $%$ solution of acid, so that the resulting mixture will contain more than 25 $&$ but less than 30 $%$ acid content ?

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Solution

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The number of litres of water to be added should be greater than 562. 5 L and less than 900 L.

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Similar questions

Q. How many litres of water will have to be added to

1125

litres of the

45 %

solution of acid so that the resulting mixture will contain more than

25 %

but less than

30 %

acid content?

How many litres of water will have to be added to 1125 litres of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid contact ?

A solution of 9% acid is to be diluted by adding 3% acid solution to it. The resulting mixture is to be more than 5% but less than 7% acid. If there is 460 L of the 9% solution, how many litres of 3% solution will have to be added?

Solve the following system of linear inequalities graphically.

$3 x + 2 y \geq 24, 3 x + y \leq 15, x \geq 4$