Figure Set

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Andrea Beaton Set – Third Figure

Figure Set
I can not complete a math problem. Can you imagine how to configure it correctly?

The problem is: How many liters of acid solution that 28% being mixed with 5 liters of acid solution at 16% to produce a solution of 26%?

x = number of liters of 28% of the acid solution in liters of a solution x 28% = 0.28 x amount of acid in 5 liters of solution of 16% = 0.16 * 5 number of x + acid in 5 liters of a solution of 26% = 0.26 (x 5) 0.28 x + 0.16 * 5 = 0.26 (x + 5) 0.28x 0.26x + 0, 80 = 0.02x + 1.3 = 0.5 x = 25 liters

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