Kunci Jawaban Soal Matematika Kelas 7 SMP MTs Bab 3 Halaman 114-115 Materi Perbandingan Dilengkapi Penjelasan

x = 4 x 7 /8

x = 28/8 = 7/2

3. ⅓ : x = 2 : 9

Jawaban: ⅓ : x = 2 : 9

2x = ⅓ x 9

2x = 3

x = 3/2

4. 5 : 8 = (x - 2) : 16

Jawaban: 5 : 8 = (x - 2) : 16

8 (x - 2) = 5 x 16