human
Brenda weighs 10 pounds more than 3 times Mel's weight. If Brenda weighs 220 pounds, what is Mel's weight?
assistant
Define a variable ** Let Mel's weight be m
How much does Brenda weigh? ** Brenda’s weight is 3*m + 10 = 220 pounds
How much does Mel weigh? ** Thus 3m = 220 - 10 = 210 pounds
What is Mel's weight? ** Therefore Mel's weight is m = 210/3 = <<210/3=70>>70 pounds
#### 70