Question

If a:b=5:6 and b:c=2.8:3.5, find a:c

Answer 1

Step-by-step explanation:

a:b=5:6,b:c=2.8:3.5

So,

$\frac{a}{b} = \frac{5}{6} \: and \: \frac{b}{c} = \frac{2.8}{3.5}$

$\frac{a}{b} \times \frac{b}{c} = \frac{5}{6} \times \frac{2.8}{3.5}$

$\frac{a}{c} = \frac{2}{3}$

So,a:c=2:3