Can anyone please help me with this problem?
Luis mixed a 40% solution of fruit juice with a 7 gallon of 60% mixture of tropical fruit juice. How many gallons of 40% was added to the tropical fruit juice to make a 45% mixture
Luis mixed a 40% solution of fruit juice with a 7 gallon of 60% mixture of tropical fruit juice. How many gallons of 40% was added to the tropical fruit juice to make a 45% mixture
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x gal of 40% added, so
40x + 60*7 = 45(x+7)
5x = 7(60-45)
x = 21 gal of 40% added
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40x + 60*7 = 45(x+7)
5x = 7(60-45)
x = 21 gal of 40% added
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