If there is a 1.3 ratio of river to ocean dragons, and there are 12 ocean dragons, how many river dragons will you have

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Ineed if you could explain and give me the answer you! this needs done

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.