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KingKobra:
A wall is 20 inches thick. Six inches is concrete, 5 inches is brick, and 9 inches is limestone. What fraction of the wall is concrete?
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darkknight:
we know Six inches is concrete, The total wall is 20 inches thick. So the fraction of the concrete is 6/20. You can simplify this value.
KingKobra:
Okay that will leave you with 3/10
darkknight:
Yep, thats your answer.
KingKobra:
Thanks
darkknight:
np
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