John dog weighs 13 pounds. Lois dog weighs 12 pounds more than John dog.How much does Lois dog weighs?

12 + 13 = ?

12+13 which equals...25!!

To find out how much Lois' dog weighs, we'll need to add the additional weight to John's dog's weight.

Lois' dog weighs 12 pounds more than John's dog, so we can add 12 pounds to John's dog's weight:

John's dog weighs 13 pounds.
12 pounds more than 13 pounds is:
13 + 12 = 25 pounds.

Therefore, Lois' dog weighs 25 pounds.