2. A pipe is draining water from a tank. The table below shows the time in minutes and the number of gallons remaining in the tank.
Time (min)
5 10 15 20 25
Amount in Tank (gal) 300 260 220 180 140
a. How many gallons drain from the tank in 5 minutes?
b. Based on your answer to Exercise 2a, how many gallons will drain
from the tub in one-half hour?
c. Give a verbal description of the relationship between the number
of minutes and the amount of water in the tank,
d. Based on the information in the table, how many gallons of water
were in the tank before the draining started?
e. Based on the information in the table, how long will it take to empty
all the water from the tank?