SOLUTION: Marcela mixed together 8L of Brand A fruit drink and 6L of Brand B fruit drink, which contains 40% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained

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Question 783761: Marcela mixed together 8L of Brand A fruit drink and 6L of Brand B fruit drink, which contains 40% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained 20% fruit juice
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Let p = percent fruit juice in Brand A.

%288p%2B6%2A40%29%2F14=20-----Equation representing situation
4p%2B6%2A20=14%2A10
4p%2B6%2A4%2A5=14%2A10
p%2B30=7%2A5
p=35-30=5

Brand A is 5% fruit juice.

Steps can vary, yours do not need to be as unusual as the way I showed. Generally most important is to first create the equation which characterises the situation and then solve according to some good use of number properties.