" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x = 12
x = 12÷4=3
intan = 7x
= 7(3)
= 21
jawaban = c
cara : 7 per 10 dikali 12
7 dari perbandingan umur intan
4 dari selisih perbandingannya
12 dari selisih umur keduanya