12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres? Choose the correct choice from the following choices:
A) 8	B) 15	C) 16	D) 18	E) 19
Capacity of the tank = (12 x 13.5) liters = 162 liters.   Capacity of each bucket = 9 liters.   Numbers of buckets needed = (162/9)= 
<gadget id="calculator">(162/9)</gadget>
<output>18</output>
18   ANSWER:18
<result>D</result>
12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?