Question

When Sean stands on a box, he is 10 feet tall. If the box is 4 feet tall, write and solve an addition equation to find Sean's height.

Answer 1

let X = Sean's height 
Box = 4 feet tall 
Box and Sean = 10 feet 
10 = X+4 
solve for X
10-4 = X 
6 = X 
so, Sean is 6 feet tall