Jawabanmu

2014-09-12T20:44:32+07:00
Dik: uang kaka : uang adik = 3 : 5

penyelesaian : 

3/5-3 * 30.000

3/2 * 30.000 = 45.000
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2014-09-12T20:47:05+07:00
Kakak = a
adik = b

a : b = 3 : 5
5 - 3 = 2

kakak = a/2 × 30000
         = 3/2 × 30000
         = 45000

adik = b/2 × 30000
       = 5/2 × 30000
       = 75000
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