Answer:
6 lbs
Step-by-step explanation:
Female: 1 lb/week
Male: 2 lbs/week
How much did the Female gain in 6 weeks?
1 x 6= 6 lbs.
How much did the Male gain in 6 weeks?
2 x 6= 12 lbs.
How much more did the Male gain than the female?
12-6=6
The male gained 6 more lbs than the female