..............?.................va rog

n = numarul de gramezi
n + 50 + 3n + 40 + 5n + 30 = 345
9n = 345 - 120
9n = 225
n = 25
Miti = 5n + 30 = 155 alune
Riti = 3n + 40 = 115 alune
Piti = n + 50 = 75 alune