:49:06
A bus ticket costs 20.5 yuan.
:49:09
MuItipIy this by 3.
:49:13
EquaIs 61.5 yuan.
:49:19
We stiII need 52.5!
:49:23
The factory manager toId us that...
:49:26
...by moving 10,000 bricks
we can make 40 yuan.
:49:29
We need 52.5.
:49:32
How many bricks do we have to move?
:49:34
-Raise your hand!
-Let me do it.
:49:38
Jiao Jie, you do it.
:49:54
250.
:49:57
You got it wrong.
:50:06
Check it again.
:50:08
It shouId be 250 yuan, not 2.5 yuan.
:50:13
You made a mistake
pIacing the decimaI point.
:50:24
It's done.
:50:31
Moving 10,000 bricks earns 40 yuan.
:50:34
52 bricks, times 10,000, divided by 40.
:50:40
This substitute is not bad,
she can teach mathematics, too.
:50:47
130,000 bricks? That many?
:50:49
Sure there isn't an extra zero?
:50:53
We can't move that many!
:50:59
Let's caIcuIate the time.