Question

If
a:b=6:5 & b:c=
10:9, find a :c​


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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

4:3

Step-by-step explanation:

a:b=6:5 &

b:c=10:9

let common multiple be x

so,a:b=6x:5x

and b:c=10x:9x

therefore,a=b6x/5x and c=b9x/10x

Now we have a:c=b6x/5x ÷ b9x/10x

=b6x ÷ b9x/2

=b6x × 2/b9x

=12x ÷ 9x

= 4/3

Hence , a:c=4:3