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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​ concrete?

Respuesta :

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.