Question

Найдите х в пропорцмях : 6/ 1 целая 4/5 = 3х + 0,6 / 2,88

Answer 1

1)6\1 4\5=3х+0.6\2.88
1 4\5*(3х+0.6)=6*2.88
5.4х+1.08=17.28
5.4х=17.28-1.08
5.4х=16.2
х=16.2:5.4
х=3

Answer 2

6/(9/5)=(3x+0,6)/2,88
10/3=(3x+0,6)/2,88
28,8=9x+1,8
9x=27
x=3