12 buckets of water fill a tank when the capacity of each bucket is 49 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 7 litres?
Select.
A) 39  B) 84  C) 80  D) 82  E) 86
Capacity of the tank = (12 Ã— 49) litre   Number of buckets required of capacity of each bucket is 17 litre = 12Ã—49/7=12Ã—7=84   Answer is 84
<result>B</result>
12 buckets of water fill a tank when the capacity of each bucket is 49 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 7 litres?