SOLUTION: I already have a 50% mixture. (It contains 7 scoops of A, - and 7 scoops of B.) I want to take one scoop of the 50% mixture and and add enough B to it so that it will become 75

Question 730546: I already have a 50% mixture. (It contains 7 scoops of A, - and 7 scoops of B.)
I want to take one scoop of the 50% mixture and and add enough B to it so that it will become 75%B and 25%A.
How do I proceed?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I already have a 50% mixture. (It contains 7 scoops of A, - and 7 scoops of B.)
I want to take one scoop of the 50% mixture and and add enough B to it so that it will become 75%B and 25%A.
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Equation:
Bstuff + Bstuff = Bstuff
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0.50*1scoop + 1*Bscoops = 0.75(1+B)
----
50*1 + 100B = 75*1 + 75B
25B = 25*1
B = 1 scoop (Amt of B to be added)
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Cheers,
Stan H.
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