Question

if a:b=2:3, b:c=4:5, then a:c​

Answer 1

a:c =2:5 ...........HI............

Answer 2

$\frac{a}{b} = \frac{2}{3} \\ \frac{b}{c} = \frac{4}{5} \\ \frac{a}{b} \times \frac{b}{c} = \frac{2}{3} \times \frac{4}{5} \\ \frac{a}{c} = \frac{8}{15}$

a:c=8:15

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