bobbythebud123 bobbythebud123 22-04-2020 Mathematics contestada Several months ago, Carrie got a puppy. At that time, the puppy weighed 7 pounds. Since then, he has gained 3 pounds each month. Now, he weighs more than 20 pounds. For at least how many months has Carrie had the puppy? A. 4 B. 5 C. 6 D. 7 E. 8