A man ordered a length of rope by telephone from his nearest hardware shop. But when he went to collect the rope, he found that the assistant had wrongly written the order by interchanging feet and inches. As a result of this, the rope was only 30 per cent of the length that the man wanted. So, what length did he want and what length did he get?
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Answer
Ordered: 9 feet and 2 inches
Received: 2 feet and 9 inches