A large tank initially has 200 gallons of water in it, and then more water is added to the tank at a constant rate. After 20 minutes there are 380 gallons of water in the tank. a. Use this information to write 2 ordered pairs of the form (# minutes adding water, gallons of water in the tank). ( , ) ( , ) b. Find the slope of the line which passes through your two points from part (a). m = c. Write a sentence explaining the meaning of this slope for this tank of water. Include units in your answer.
A large tank initially has 200 gallons of water in it, and then more water is added to the tank at a
constant rate. After 20 minutes there are 380 gallons of water in the tank.
a. Use this information to write 2 ordered pairs of the form
(# minutes adding water, gallons of water in the tank).
( , ) ( , )
b. Find the slope of the line which passes through your two points from part (a).
m =
c. Write a sentence explaining the meaning of this slope for this tank of water. Include units in your
answer.
d. Write an equation for the line describing the relationship between the number of minutes, x, and the
number of gallons of water, y, in the tank.
y =_____________________
e. Use your equation from part d to predict the number of gallons of water in the tank after 45 minutes
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