Math, asked by somxy93, 5 months ago

if a:b=3 and b:c =2:9 find a:c​

Answers

Answered by ajstyle99
1

Answer:

a:b=2:3

b:c=9:8

b

a

×

c

b

=

3

2

×

8

9

c

a

=

4

3

⇒a:c=3:4.

∴ The duplicate ratio of 3:4 is 3

2

:4

2

=9:16

Answered by tyeb1255
1

Answer:

pls mark me BRAINLIEST if u found this useful

Step-by-step explanation:

a/b=3 (given)

b/a=1/3

b=a/3 ----- equation 1  

b/c=2/9 (given) -------  equation 2

equation 1 in equation 2

a/3/c=2/9

a/3c=2/9

a/c = 2x3/9

a/c = 6/9

a/c = 2/3

a:c= 2:3

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