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5 September, 13:34

15.

When mixing concrete, 3 buckets of sand are used

for every 4 buckets of gravel used. How many

buckets of sand should be mixed with 24 buckets

of gravel?

A.

18 buckets

B.

27 buckets

C. 32 buckets

D. 72 buckets

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Answers (2)
  1. 5 September, 17:10
    0
    Answer: A

    Step-by-step explanati
  2. 5 September, 17:28
    0
    To answer this question, we need to understand the ratio of the question, which in this case is 3:4. If this ratio remains constant, then a simple way to solve this would be to multiply the 4 (in this case) so that it becomes 24 (because we know that these parts of the ratio correspond to each other). Since we know that 4*6=24, we can multiply both numbers included in the ratio by 6 to find our answer. After doing this, we find the ratio to be 18/24, which means that for every 24 buckets of gravel used, 18 buckets of sand are used.

    So, the answer to this question is A. 18 buckets.
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