Question

5,4:2целых 2/5=y:1целую 3/5

Answer 1

$5,4:2\frac {2}{5}=y:1\frac {3}{5}$

$\frac {54}{10}:\frac {12}{5}=y:\frac {8}{5}\\</p><p>\frac{54}{10}*\frac {5}{12}=y*\frac{8}{5}\\</p><p>\frac{9}{2}*\frac {1}{2}=y*\frac{8}{5}$

$y=\frac {9}{4}:\frac {8}{5}\\</p><p>y=\frac {9}{4}*\frac {5}{8}\\</p><p>y=\frac {45}{32}$

Answer 2

Ответ: у*2 2/5=5,4*1 3/5 или у*12/5=5,4*1,6=8,64 или у=8,64*5/12=3,6.

Объяснение: