Question

If $a:b=1\cdot 5:3\cdot 5$ and $b:c=5:6,$ find $a:c$

Answer 1

$a:b=1.5:3.5$ $\&$ $b:c=5:6$

$\Rightarrow \frac{a}{c}=\frac{a}{b}\times \frac{b}{c}$

$=\frac{1.5}{3.5}\times \frac{5}{6}$

$=\frac{5}{14}$

Hence, the answer is $a:c=5:14.$