Jawabanmu

Jawaban paling cerdas!
2014-01-30T09:51:30+07:00
2014-01-30T11:26:23+07:00
A-b = 24
a:b = 5:2
maka :
5x - 2x = 24
3x = 24
x = 8

maka a= 5x=5.8 = 40
dan b = 2x=2.8 = 16

c= 1/7 .(a+b) = 1/7 . (40+16) = 1/7 . 56 = 8 :)

2 3 2