Question 1047315
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Let n ounces of a 15% acid solution be mixed with m ounces of a 55% salt solution. 
Which of the following are possible salt concentrations of the mixture? (Select all that apply.) 


<pre>
10%     - impossible

40%     - possible, depending on  "n"  and  "m"

45%     - possible, depending on  "n"  and  "m"

50%     - possible, depending on  "n"  and  "m"

85%     - impossible
</pre>

The recipe is: <U>Only values in between 15% and 55% are achievable</U>.