In a section of Mills City the ratio of private homes to apartment house dwellings is 5:3. If all the apartment house dwellings are brick structures and 1/10 of the private homes are wooden structures, What is the maximum portion of the houses that may be brick?
A) 3/8
B) 5/8
C) 6/13
D) 15/16

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9/10 of 5/8 = 45/80 = 9/16………………private homes

9/16 + 3/8 = 15/16

Answer is D
Josephine | Nov 19, 2009

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