Question

TOLONG YG BISA JAWAB PAKEK CARA YA KALO ASAL ASALAN NANTI (SUMBING)​

Answer 1

Nomor 2

30 cm : 2 m

= 30 cm : (2 × 100)

= 30 : 200

= 3 : 20

Nomor 3

40 : b = 5 : 2

40 × 2 = 5 × b

80 = 5b

b = 80/5

b = 16