A wall is 20 inches thick. 6 inches is concrete, 9 inches is brick, and 5 inches is limestone. What fraction of the wall is c oncrete?
2 answers:
Answer:
30%
Step-by-step explanation:
Answer:
6/20 or 30%
Step-by-step explanation:
As the entire thickness of the wall is 20 inches it becomes our base. Then we find how much of that is concrete (6 inches) and put it as our numerator.
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