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How much of a 50% alcohol solution should we mix with 10 gallons of a 35% solution to get a 40% solution?
Solution
Let x is the amount of 50% solution which we need. It means that there will be gallons of the 40% solution once we're done mixing the two.
Following is the basic work equation for this problem.
Now, plug in the volumes & solve for x.
0.5x + 0.35 (10) =0.4 ( x + 10)
0.5x + 3.5 + 0.4x + 4
0.1x + 0.5
x =0.5/0.1 = 5 gallons
Thus, we required 5 gallons of the 50% solution to get a 40% solution.
the perimeter of a triangle is 76 centimeters. the second side is twice as long as the first side. the third side is four centimeters shorter then the second side. how long is each
|0.375|+|-5/8|
32+3e=
3+n=11
I have quite a complex formula I need resolved, I can''t get my head around. I have got so far but I personally don''t know how to proceed further. HELP!
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