Wednesday, July 4, 2012

Surfing For How Many Liters Of A 10 Alcohol Solution?

Ken asks…Solve the Word Equation:?How many liters of a 10% alcohol solution should be mixed with 12 liters of a 20% alcohol solution to obtain a 14% alcohol solution?

Explain well and you get best answer.Nancy answers:LET THE AMOUNT OF 10% ALCOHOL MIXED BE X LITERS

0.10X + 0.20*12 = 0.14 ( 12 + X)

0.10X + 2.4 = 1.68 + 0.14X

0.72 = 0.04X

X = 0.72 / 0.04 = 18 LITERS ANSWER

CHECK

0.10 *18 = 1.8
0.2 *12 = 2.4
add = 4.2

4.2 / 30 x 100 = 420/30 = 14%David asks…Math Help Please - Only 5

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