Răspuns:
Explicație pas cu pas:
a/4 + b/2 + c/3 = 120
b/2 = a/4 + 24
b/2 = 4xc/3
a/4 = b/2 - 24
c/3 = b/8
b/2 - 24 + b/2 + b/8 = 120
4b/8 + 4b/8 + b/8 = 120 + 24
9b/8 = 144
b = 144 x 8 / 9 = 128
a/4 = 128/2 - 24 = 64 - 24 = 40; a = 4x40 = 160
c = 3 x 128 / 8 = 48
a + b + c = 160 + 128 + 48 = 336