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Mapel MathBab Perbandingan
Penyelesaian :
Nomor 18
Dimas : Fendi = 2 : 3
Umur Dimas sekarang = 9 + 3 = 12 tahun
Umur Fendi sekarang = 3/2 × 12 = 18 tahun
Opsi => D
Nomor 19
Alif : Dika = 3 : 5
Selisih ===> 5 - 3 ===> 2
Uang Dika
= 5/2 × Rp 45.000,00
= Rp 112.500,00
Opsi => B
Nomor 20
4 lusin
= 4 × Rp 19.500,00
= Rp 78.000,00
1 gross = 144 × Rp 2.000,00
= Rp 288.000,00
6 lusin
= (6×12) × Rp 500,00
= 72 × Rp 500,00
= Rp 36.000,00
Total
==> Rp 78.000,00 + Rp 288.000,00 + Rp 36.00,00
==> Rp 402.000,00
Opsi => D
Good Luck