A farmer uses 10 tonnes of compost for 2 acre of farmland. He wants to prepare a rectangular plot measuring \(250 \ ft\) by \(400 \ ft\) for vegetable cultivation. How much compost will be needed?
Ans:
\(1\) acre \(=\) sq. ft
Quantity of compost \(=\) tonnes
[Note: Enter the answer up to two decimals]