Răspuns:
Explicație pas cu pas:
x+y+z = 2020
x/100 = y/52 = z/50 <=>
x/50 = y/26 = z/25
y = 26x/50
z = 25x/50
⁵⁰⁾x + 26x/50 + 25x/50 = ⁵⁰⁾2020 =>
50x+26x+25x = 101000 =>
101x = 101000 =>
x = 101000:101 => x = 1000
y = 26000/50 => y = 520
z = 25000/50 => z = 500
#copaceibrainly
