## Algebra: A Combined Approach (4th Edition)

$204624$ tons
$P=kN$ $P=260000; N=442000$ $260000=k(442000)$ $\frac{260000}{442000}=k$ $k=.588$ $P=.588N$ Pollution produced when population is $348000$: $P=.588N$ $P=.588(348000)$ $P=204624$ tons