Posted by **karon** on Wednesday, December 14, 2011 at 6:17pm.

the number N of aluminum cans used each year varies directly as the number of people p using the cans. if 58 people us 23,432 cans in one year, how many cans are used in a cith which has a population of 1,956,000

- algebra -
**Steve**, Wednesday, December 14, 2011 at 11:18pm
N = kp

find k:

23432 = 58k

Now, having k,

N = 1956000k

Or, in other words,

N/1956000 = 23432/58

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