Kunci Jawaban
11. a
Jadikan pecahan biasa
24/5 x 7/9 : 56/9 x 4/7
= 24/5 x 7/9 x 9/56 x 4/7
= 12/35
12. d
Jadikan perseratus
= (2 1/4 x 25/25) + (2/5 x 20/20) - 35/100 + 24/100
= 2 25/100 + 40/100 - 35/100 + 24/100
= 2 54/100
= 2,54
Baca Juga: Kunci Jawaban Bahasa Indonesia Kelas 8 Halaman 132, Kategori Teks Eksplanasi
13. d
Samakan penyebut
((18 2/3 x 5/5) - (4 2/3 x 5/5) - 7 7/15) x 30%
= (18 10/15 - 4 10/15 - 7 7/15) x 30/100
= (17 25/15 - 4/10/15 - 7/715) x 30%
= 6 8/15 x 30/100
= 98/15 x 30/100
= 49/25 = 1 24/25