Question

3(целых)3/4:а=3(целых)3/5:10,8

Answer 1

$frac{3frac{3}{4}}{a}=frac{3frac{3}{5}}{10.8}$
$frac{18}{5}a=frac{15}{4}*frac{108}{10};$
$frac{18}{5}a=frac{81}{2}$
$a=11frac{1}{4};$
$a=11.25$