SOLUTION: The sink NOW has 12 ounces of water. The drain is clogged, so water is dripping OUT of the sink at the rate of only 3 ounces per hour. When considering how much water is left in th

Algebra ->  Linear-equations -> SOLUTION: The sink NOW has 12 ounces of water. The drain is clogged, so water is dripping OUT of the sink at the rate of only 3 ounces per hour. When considering how much water is left in th      Log On


   

Question 1111100: The sink NOW has 12 ounces of water. The drain is clogged, so water is dripping OUT of the sink at the rate of only 3 ounces per hour. When considering how much water is left in the sink and how much time has passed FROM NOW, what is the equation? The x and y intercept?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx%2Bb
y, "ounces" of water in the sink
m, drainage rate in unit ounces per hour
x, time in hours
b, 12 ounces

highlight%28y=-3x%2B12%29

x can be any real number between 0 and 4 hours.