Ababy gains 11 pounds i. its first year of life. the baby gained 4 1/4 pounds during the first four months and 3 1/2 pounds in its second four months. how much did the baby gain in the last four months?

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8