4. There are Obi-Wan and Luke
Skywalker who want to go to
another planet called Alderaan.
They ask Han Solo if he can drive
them up to this planet but he
wants a lot of money for this
dangerous trip
5.
6. At the beginning Han Solo
wants 10.000 all in advance.
Then Obi-Wan says : « We can
pay you 2.000 now and 15.000
when we reach Alderaan.
How much will Obi-Wan and
Luke pay ?