C+d=14
c-6=d
then you will plug c+6 in the first equation and you will get:
c+c-6=14
then you get
2c=20
c=10, so the cat is ten years old
the cat is 6 years older than the dog, so the dog is 4 years old
hope that helps :)
The first answer. (3 x 3) + (3 x 4)
7 goes into 11 one time, which leaves you with 1 4/7.