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Nat2105 [25]
3 years ago
14

Roman mixes 12 liters of 8% acid solution with a 20% acid solution, which results in a 16% acid solution. Find the number of lit

ers of 20% acid solution in the new mixture. Construct a table to organize the information, and show all of your work to solve the problem.
Please help me with the table part!
Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0
We have 12 liters of 8% acid solution to which we add an unknown amount of liters (x) of 20% acid solution to make a 16% acid solution.
.08 * 12 +.20x = .16 * (12 +x)
.96 + .20x = 1.92 + .16x
.04x = .96
x = 24 liters of 20% acid solution must be added

Source http://www.1728.org/mixture.htm
see example B



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