SOLUTION: The number of aluminum cans used each year varies directly as the number of people using the cans. If 250 people use 60000 cans in one year, how many cans are used each year in a c

Algebra ->  Sequences-and-series -> SOLUTION: The number of aluminum cans used each year varies directly as the number of people using the cans. If 250 people use 60000 cans in one year, how many cans are used each year in a c      Log On


   



Question 883457: The number of aluminum cans used each year varies directly as the number of people using the cans. If 250 people use 60000 cans in one year, how many cans are used each year in a city which has a population of 120000?
Found 2 solutions by josmiceli, Alan3354:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+60000+=+k%2A250+
+k+=+60000+%2F+250+
+k+=+240+
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Let +x+ = number of cans used by the city
+x+=+k%2A120000+
+x+=+240%2A120000+
+x+=+28800000+
28,800,000 cans

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
PS The people in the US use ~3500 aluminum cans per second.