In Gulshan the ratio of private homes to apartment is 3:5. If all the apartments are brick made and 1/10 of the private homes are wooden, what is the maximum portion of houses that may be brick?

Answer 1

My first thought is what else can private homes be made of (remembering the three little piggies). Straw? Steel? Mud?
Next, is terms: is an apartment a house? Lets assume our way out of that one...change the question to what is the maximum portion of private homes that may be brick.

Let H be homes.
then 1/10 H are not brick.
assume 9/10 are brick

Then ratio becomes brick homes/apartments = .9(3/5)=27/50

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