Ababy gains 11 pounds in 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?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

sadsdda

step-by-step explanation: