SOLUTION: According to a local survey, the ratio of houses with aluminum siding to houses with slate siding is 25:9. If 135 houses have slate siding, how many houses have aluminum siding?

Algebra ->  Proportions -> SOLUTION: According to a local survey, the ratio of houses with aluminum siding to houses with slate siding is 25:9. If 135 houses have slate siding, how many houses have aluminum siding?      Log On


   

Question 1168901: According to a local survey, the ratio of houses with aluminum siding to houses with slate siding is 25:9. If 135 houses have slate siding, how many houses have aluminum siding?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Okay aluminum to slate, 25%2F9.

If 135 are of slate siding, then x are of aluminum siding.

25%2F9=x%2F135 the ratios for aluminum : slate.


135%2825%2F9%29=135%28x%2F135%29

x=135%2A25%2F9

highlight%28x=375%29