prompt: A tree had 1000 leaves before the onset of the dry season, when it sheds all its leaves. In the first week of the dry season, the tree shed 2/5 of the leaves. In the second week, it shed 40% of the remaining leaves.  In the third week, the tree shed 3/4 times as many leaves as it shed on the second week. Calculate the number of leaves the tree hadn't shed by the third week.
messages.content: A tree had 1000 leaves before the onset of the dry season, when it sheds all its leaves. In the first week of the dry season, the tree shed 2/5 of the leaves. In the second week, it shed 40% of the remaining leaves.  In the third week, the tree shed 3/4 times as many leaves as it shed on the second week. Calculate the number of leaves the tree hadn't shed by the third week.
messages.role: user
messages.content: In the first week, the tree shed 2/5*1000 = <<2/5*1000=400>>400 leaves.
  The number of leaves remaining on the tree at the end of the first week is 1000-400 = <<1000-400=600>>600
  In the second week, the tree shed 40/100*600 = <<40/100*600=240>>240 leaves.
  The number of leaves remaining on the tree is 600-240 = <<600-240=360>>360
  The third week the tree shed 3/4 of its leaves, a total of 3/4*360 = <<3/4*360=270>>270 leaves.
  The number of leaves remaining on the tree is 360-270 = <<360-270=90>>90 leaves.
  #### 90
messages.role: assistant