# algebra

posted by
**teresa**
.

two sisters together have 20 books. if the younger sister lost 3 books and the older sister doubled the number she has, they would have a total of 30 books. How many books does each have?

posted by
**teresa**
.

two sisters together have 20 books. if the younger sister lost 3 books and the older sister doubled the number she has, they would have a total of 30 books. How many books does each have?