Let x = the amount of 30% solution

330-x = the amount of water

So,

(30x + (330-x)(0))/(x + (330-x) ) = 25

From this, you get

** x = 275 ml of the 30% solution**

** 330-x = 55 ml of water**

(275 + 55 = 330)

Tyler W.

asked • 10/16/19
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Let x = the amount of 30% solution

330-x = the amount of water

So,

(30x + (330-x)(0))/(x + (330-x) ) = 25

From this, you get

** x = 275 ml of the 30% solution**

** 330-x = 55 ml of water**

(275 + 55 = 330)

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