Atank contains 5000 l of pure water. brine that contains 10 g of salt per liter of water is pumped into the tank at a rate of 25 l/min. the concentration of salt after t minutes (in grams per liter) is
c(t) = 10t/200 + t
.
as
t → ∞,
what does the concentration approach?

One integer is 8 times another. if the product is 72, then find the integers

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers