Mrs. computer is 3 times older than her daughter, mousy. the sum of their ages is 52. how old is mousy?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

What is the difference between the equations of a vertical and a horizontal line?