jawab
a = umur Ani
m = umur Mamat
sekarang , a = 3/4 m
6 thn yad , m+ 6 = 30
sekarang umur mamat ,
m = 30 - 6
m= 24
sekarang umur Ani
a = 3/4 m = 3/4 (24)
a = 18
umur mamat dua kali umur ani
m+ x = 2( a + x)
24 + x = 2(18 + x)
24 + x = 36 + 2x
-x = 12
x = - 12
umur mamat dua kali umur ani = 12 tahun yang lalu
A = 3/4 MM + 6 = 30M = 24 tahun → A = 18 tahunM = 2AM = 2(M - 6)M = 12pd saat M = 12 tahun ✔
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jawab
a = umur Ani
m = umur Mamat
sekarang , a = 3/4 m
6 thn yad , m+ 6 = 30
sekarang umur mamat ,
m = 30 - 6
m= 24
sekarang umur Ani
a = 3/4 m = 3/4 (24)
a = 18
umur mamat dua kali umur ani
m+ x = 2( a + x)
24 + x = 2(18 + x)
24 + x = 36 + 2x
-x = 12
x = - 12
umur mamat dua kali umur ani = 12 tahun yang lalu
A = 3/4 M
M + 6 = 30
M = 24 tahun → A = 18 tahun
M = 2A
M = 2(M - 6)
M = 12
pd saat M = 12 tahun ✔