Asugar solution was made by mixing 3 gal. of a 50% sugar solution and 9 gal. of a 30% sugar solution. find the concentration of the new mixture.

image result for what is another name for consecutive interior angles? ​

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

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the answer is 8/21

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