A swimming pool starts with 600 gallons of water in it. It springs a leak, and is draining at a rate of 100 gallons per hour.
Keep going. What is the number of gallons of water in the pool after 1, 2, and 3 hours?
Time in hours Gallons of water in the pool
0 600
1
2
3
Time in hours Gallons of water in the pool
0 600
1 500
2 400
3 300