if a:b=3 and b:c =2:9 find a:c
Answers
Answered by
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
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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