A barrel had 20 liters of water. Water leaked out from the barrel at a constant rate. After 24 hours, 14 liters of water was left in the tank. How many liters of water leaked out per hour?
the barrel had 20 liters....after 24 hrs, it had 14 liters......that means in 24 hrs, it leaked (20 - 14) = 6 liters....so it is leaking 6 liters every 24 hrs
liters / hr = 6/24 = 0.25.....so it is leaking 0.25 (or 1/4) liters per hr
