Question
Asked Feb 14, 2020
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A container holds 100 ml of a solution that is 25 ml acid. If n ml of a solution that is 60% acid is added, the function C(n) = 25+0.6n/100+n  gives the concentration, C, as a function of the number of ml added, n. Express n as a function of C and determine the number of mL that need to be added to have a solution that is 50% acid.

 

solve by pre-calc/ algebra methods please asap thank you

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Expert Answer

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Given:

Algebra homework question answer, step 1, image 1

Solving for n:

Algebra homework question answer, step 2, image 1

Now, evaluate this function at 50% which is C=0.5

Algebra homework question answer, step 3, image 1

We can conclude that 250 mL added to have a solution that is 50% acid.

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Algebra

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