Question

please answer this question fast so I will mark you the brainiest​

Answer 1

Step-by-step explanation:

(i)14/21 =2/3=6/9

(ii)90cm:1.5m

1.5×100cm=150cm

90:150

3:5. (divided by 30)

(iii)36:81::x:63

36×63=81x

2268=81x

2268/81=x

28=x

(iv) 25:x::x:35

25×35=x²

875=x²

29.58=x