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3 years ago

Given that a:b=8:5 b:c=3:4 find the ratio a:b:c

1 answer:

4 0

A:b = 8:5 b:c = 3:4
since both sides have b. make b the same. multiply the left by the right side b value of 3 and multiply the right by the left side b value of 5.
3(a:b) and 5(b:c)
3 (8:5) and 5(3:4)
24:15 15:20
now that both sides have the same b value
a:b:c = 24:15:20

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The complete question in the attached figure

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