Respuesta :
Answer:
5 months
Step-by-step explanation:
tristin is already 120 pounds
mike is already 150 pounds
tristin is gaining more pounds per month than mike
tristin mike
Month 1 = 130 154
Month 2 = 140 158
month 3 = 150 162
month 4 = 160 166
month 5 = 170 170