Over the summer Toni gained 10 2/8 pounds and Jimbo gained 7 2/3 pounds. How many pounds combined did they gain? i think this is easy but im non-intelligent =

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Can some one me with these questions