Jawabanmu

2014-02-01T23:44:11+07:00
Misal meja =a , kursi = b
5a + 8b = 115    x 3      15a+24b =345
3a + 5b = 70      x 5      15a+25b =350 -
                                          -b = -5
b = 5
kursi = Rp5
3a + 5(5) = 70
3a = 45
a = 15
Meja = Rp15

2014-02-02T02:32:20+07:00
Meja= 3/8 x 70
=26.25
kursi=5/8 x 70
=43.75
kayanya salah deeh, tapi gatay juga