Too little Information (2011-01-06 08:37:52)

这是一道数学题：

Tell what piece of information you would need to answer the question:

You want to go to the movies with your friends in 2 hours.  You have to finish raking the lawn before you can leave.  If you can rake up 2 bags of leaves in 1 hour, will you be able to go to the movies with your friend?

聪聪的答案是：

how far away is your friend?

牛头不对马嘴啊。