Question

Puteti rezolva cat doriti. Multumesc

Answer 1

Răspuns:

1.

a) 30+10+40+20+30+50+10=

40+60+80+10=

100+90= 190 lei

b) 30+10+40+20+30+50=

40+60+80=

100+80= 180 lei

m = 180 ÷ 6 = 30

*m=media

c) 20= x/100 ×50

20= x/2

x=20×2

x=40%

Sper ca te-am ajutat :)