1.5/4.5=0.24/0.6x

1.5*0.6x=4.5*0.24

0.6x=3*0.24

0.6x=0.72

х=0.72:0.6

х=1.2

2.4x/0.8=1.4/2.8

2.4x*2.8=0.8*1.4

3x*2.8=1.4

8.4x=1.4

х=1.4:8.4

х=1/6

Ответ:

Пошаговое объяснение:1.5/4.5=0.24/0.6x

1.5*0.6x=4.5*0.24

0.6x=3*0.24

0.6x=0.72

х=0.72:0.6

х=1.2