You are viewing a single comment's thread from:RE: guess it?View the full contextponts (50)in #quiz • 7 years ago 3a = 30 a = 10 2a + b = 40 20 + b = 40 b = 20 a + 2b + 2c = 60 10 + 40 + 2c = 60 2c = 10 c = 5