Question 842253
from aspect of water
2%=.02
.001%=.00001
.98*1000000+x=.99999*(1000000+x)
x = 1.999 *10^9 or 1.999 billion gallons of water
from aspect of arsenic
.02(1000000)=.00001*(1000000+y)
y= 1.999 *10^9 or 1.999 billion gallons of water