Question

Решите под номером 3 плиз

Answer 1

$x:2\frac{3}{23} = 3\frac{2}{7} :\frac{1}{4} => x=4*3\frac{2}{7} *2\frac{3}{23} =>x=4*\frac{23}{7} *\frac{49}{23}=>x=4*7=28.$