High School

A typical mix of cement, sand, and stones is 1:2:4. You have put 12 buckets of stones into a mixer. How much cement and how much sand should you add to make the mix?

Answer :

Final answer:

To make the mix, you should add 6 buckets of cement and 12 buckets of sand to the 12 buckets of stones that are already in the mixer.

Explanation:

To create the mix, we need to use the ratio of cement to sand to stones, which is 1:2:. This means that for every 1 bucket of cement, we need 2 buckets of sand and ​​12 buckets of stones. Since you have already added 12 buckets of stones, you need to calculate how much cement and sand to add.

  1. Since the ratio of cement to stones is 1:2, we need to add 6 buckets of cement because 12/2 = 6.
  2. Using the same logic, we need to add 12 buckets of sand because the ratio of sand to stones is also 1:2.

So, to make the mix, you should add 6 buckets of cement and 12 buckets of sand to the 12 buckets of stones that are already in the mixer.

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