A specific concrete mixture consists of cement, sand, and gravel in a weight ratio of 1:4:6. If we have 6 kilograms of cement, what is the maximum weight of this mixture that can be produced?

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18

24

30

44

66

Correct

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Official Explanation

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In this problem, we are given a weight ratio of cement, sand, and gravel as 1:4:6. This indicates that for every 1 kg of cement, we will use 4 kg of sand and 6 kg of gravel. Therefore, the total weight of the mixture for every 1 kg of cement is 1 + 4 +…

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Comments

ThorMar 19, 2024

Thank for sharing!!!

JeanOct 8, 2024

Greatt

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.