Question

Determine which of the following are in proportion:
(a) 18, 36, 9, 18
(b) 14.35, 16, 40
(c) 80, 32, 60,24 (d) 72,18.64.12
2. Find x in each of the following:
(a) x : 5 = 10:50
(b) 12:30 - 8:
(c) 16:x-x: 121 (d) 21:12: :*:8
3. Find the mean proportion between:
(a) 12 and 3
(b) 50 and 8
(c) 27 and 48
(d) 50 and 98
4. Determine whether the following ratios form a proportion or not.
(a) IL: 250 mL and 1,000 : 250 (b) 2,000 : 200 and 100 bottles : 50 bottles
Sind​

Answer 1

Answer:

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u answer

Step-by-step explanation:

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Answer 2

Answer:

1.a=18:36::9:18

b.none

c=80:32::60:24

2.a=x:5=10:50

x =10*5/50

x=1

3.a=12:3

b=50:8

c=27:48

d=50:98

4