Question

Ajutor urgent dau 5 stelute​

Answer 1

Răspuns:

I zi : x/5 =>rest 4x/5

II zi : 1/3 • 4x/5 = 4x/15 =>rest 4x/5 - 4x/15 = 8x/15

III zi : 1/3 • 8x/15 = 8x/45 =>rest 8x/15 - 8x/45 = 16x/45

IV zi : 1/2 • 16x/45 + 5 = 8x/45 + 5

V zi : 19

x/5 + 4x/15 + 8x/45 + 8x/45 + 5 + 19 = x

9x+12x+16x+24•45=45x

8x=24•45

x=135