Question

пропорции решите уравнения (х+5,6):15 2/3=3,2:5 2/9

Answer 1

х+5,6=15 2/3 *3 1/5 : 5 2/9=47/3 *16/5 :47/9=48/5;
х+28/5=48/5; х=48/5-28/5; х=20/5 или 4