1 of 11

2 of 11

3 of 11

Rp. 10.000,-

=

=

Rp. 16.000,-

 

 

4 of 11

 

5 of 11

=

Rp. 36.000,-

 

6 of 11

 

=

Rp. 37.500,-

x+y+2z=37.000

7 of 11

 

=

Rp. 36.500,-

x+3y+z=36.500

8 of 11

 

9 of 11

10 of 11

11 of 11