in a parking lot the ratio of imported cars to domestic cars is 3:5 if the lot contains a total of 48 cars, how many of each type of car is there in the lot?
18 imported
30 domestic
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18 imported, 30 domestic.
18:30...

Hmm, it appears I was a little late.
thanks alot.
Let I equal the # of imported, D the number of domestic vehicles.

I/D = 3/5

I = (3D)/5

I + D = 48

(3D)/5 + D = 48

3D + 5D = 240

8D = 240

D = 30

I = 48 - D

I = 48 - 30

I = 18

Therefore there are 18 imported cars and 30 domestic cars.

Edit: I know it's already been said, but if it's homework or something then your teacher, or even you if you actually wanna know the stuff, probably want(s) a full solution. This was the simplest and most direct I could think of, but it's math so there's probably another way to do it.
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3x + 5x = 48

8x = 48

48/8 = 6 , so x = 6

3x = 18 and 5x = 30

give a man a fish vs. teach a man to fish

Edit: dammit jammoe!
Last edited by Siftings at Feb 14, 2007,
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Quote by Siftings
3x + 5x = 48

8x = 48

48/8 = 6 , so x = 6

3x = 18 and 5x = 30

give a man a fish vs. teach a man to fish

Edit: dammit jammoe!

No, yours is simpler.
Quote by Meths
Really, it's quite gutting that we'll all be dead by the time the earth is entirely underwater because I really want to stick your head underwater while standing on Everest and say "if sea levels aren't rising, HOW COME YOU'RE DYING?!"