Question

Solve:

1. $7kg:\dots =14m:6m$

2. $\dots ..63L=25::35$

Answer 1

1)

$7:x=14:6$.

$\frac{7}{x}=\frac{14}{6}$

$\Rightarrow x=\frac{7\times 6}{14}=3$

$\therefore x=3$

2)

$x:63=25:35$

$\frac{x}{63}=\frac{25}{35}$

$\Rightarrow x=\frac{5}{7}\times 63$

$\therefore x=45$