If cereal A has 50% fiber and cereal B has 80% fiber, and a mixture of these cereals results in a blend that is 65% fiber, how much of cereal A, in grams, is in a total of 150 grams of the mixture?

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100

125

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Official Explanation

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Let the amount of cereal A be represented as X and the amount of cereal B as Y. The fiber content can be expressed as follows: A has 50% fiber, B has 80% fiber, and the mixture has 65%…

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Comments

SankariAug 15, 2024

thank you for sharing

NoahFeb 3, 2024

Thank you very much!

What this question tests

What it tests

Your ability to reason about weighted averages and the composition of mixtures.

Common trap

Averaging the percentages of two solutions without weighting by their volumes.