Uang Mala dibanding uang Tunai 2: 3. Uang Tina dibanding uang Rara 4: 7. Selisih uang Mala dan uang uang Rara 3.900.000. Berapa rupiah uang masing – masing
Penjelasan dengan langkah-langkah:
Mala : Tina
= 2 : 3
Tina : Rara
= 4 : 7
Mala : Tina
= 2 : 3
= (2 × 4) : (3 × 4)
= 8 : 12
Tina : Rara
= 4 : 7
= (4 × 3) : (7 × 3)
= 12 : 21
Mala : Tina : Rara
= 8 : 12 : 21
Mala – Rara = 21 – 8
= 13 <= Selisih
= Rp 3.900.000
Uang Mala
8/13 × 3.900.000
= Rp 2.400.000 ✔
Uang Tina
12/13 × 3.900.000
= Rp 3.600.000 ✔
Uang Rara
21/13 × 3.900.000
= Rp 6.300.000 ✔
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Jawab:
mala =2.400.000
tina =3.600.000
rara =6.300.000
Penjelasan dengan langkah-langkah:
mala : tina = 2 : 3 x 4 = 8 :12
tina : rara = 4 : 7 x 3 =12 : 21
mala : tina : rara = 8 : 12 : 21
selisih mala rara = 21-8
=13 —-> 3.900.000
mala =8/13 x 3.900.000
=2.400.000
tina =12/13 x 3.900.000
=3.600.000
rara =21/13 x 3.900.000
=6.300.000